D96={1,2,3,4,6,8,12,16,24,32,48,96}
D108={1,2,3,4,6,9,12,18,27,36,54,108}
D144={2,3,4,6,9,12,16,18,24,36,48,72,144}
D169={1,13,169}
D196={1,2,4,7,14,28,49,98,196}
toti acestia sunt divizori naturali iar daca-i doresti si pe cei intregi adica cei care apartin Z, se pot aduga si cei cu minus ;)