Răspuns :
Lista divizorilor:
nici prim, nici compus = 1factor prim = 17factor prim = 31factor prim = 4717 × 31 = 52717 × 47 = 79931 × 47 = 1.45717 × 31 × 47 = 24.769
Răspuns final:
24.769 are 8 divizori:
1; 17; 31; 47; 527; 799; 1.457 și 24.769
din care 3 factori primi: 17; 31 și 47
nici prim, nici compus = 1
factor prim = 2
factor prim = 3
22 = 4
2 × 3 = 6
23 = 8
32 = 9
22 × 3 = 12
24 = 16
2 × 32 = 18
23 × 3 = 24
25 = 32
22 × 32 = 36
factor prim = 43
24 × 3 = 48
26 = 64
23 × 32 = 72
2 × 43 = 86
25 × 3 = 96
3 × 43 = 129
24 × 32 = 144
22 × 43 = 172
26 × 3 = 192
2 × 3 × 43 = 258
25 × 32 = 288
23 × 43 = 344
32 × 43 = 387
22 × 3 × 43 = 516
26 × 32 = 576
24 × 43 = 688
2 × 32 × 43 = 774
23 × 3 × 43 = 1.032
25 × 43 = 1.376
22 × 32 × 43 = 1.548
24 × 3 × 43 = 2.064
26 × 43 = 2.752
23 × 32 × 43 = 3.096
25 × 3 × 43 = 4.128
24 × 32 × 43 = 6.192
26 × 3 × 43 = 8.256
25 × 32 × 43 = 12.384
26 × 32 × 43 = 24.768
Sunt toți !!
Coroana?
factor prim = 2
factor prim = 3
22 = 4
2 × 3 = 6
23 = 8
32 = 9
22 × 3 = 12
24 = 16
2 × 32 = 18
23 × 3 = 24
25 = 32
22 × 32 = 36
factor prim = 43
24 × 3 = 48
26 = 64
23 × 32 = 72
2 × 43 = 86
25 × 3 = 96
3 × 43 = 129
24 × 32 = 144
22 × 43 = 172
26 × 3 = 192
2 × 3 × 43 = 258
25 × 32 = 288
23 × 43 = 344
32 × 43 = 387
22 × 3 × 43 = 516
26 × 32 = 576
24 × 43 = 688
2 × 32 × 43 = 774
23 × 3 × 43 = 1.032
25 × 43 = 1.376
22 × 32 × 43 = 1.548
24 × 3 × 43 = 2.064
26 × 43 = 2.752
23 × 32 × 43 = 3.096
25 × 3 × 43 = 4.128
24 × 32 × 43 = 6.192
26 × 3 × 43 = 8.256
25 × 32 × 43 = 12.384
26 × 32 × 43 = 24.768
Sunt toți !!
Coroana?