1639231715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 2335039488

約数和(自身を除く): 695807773

約数列:

[1, 5, 11, 17, 55, 67, 85, 137, 187, 191, 335, 685, 737, 935, 955, 1139, 1507, 2101, 2329, 3247, 3685, 5695, 7535, 9179, 10505, 11645, 12529, 12797, 16235, 25619, 26167, 35717, 45895, 62645, 63985, 100969, 128095, 130835, 140767, 156043, 178585, 217549, 287837, 444839, 504845, 703835, 780215, 1087745, 1439185, 1716473, 1753189, 2224195, 2393039, 4893229, 8582365, 8765945, 11965195, 19285079, 24466145, 29804213, 96425395, 149021065, 327846343, 1639231715]

約数ペア:

[(1, 1639231715), (5, 327846343), (11, 149021065), (17, 96425395), (55, 29804213), (67, 24466145), (85, 19285079), (137, 11965195), (187, 8765945), (191, 8582365), (335, 4893229), (685, 2393039), (737, 2224195), (935, 1753189), (955, 1716473), (1139, 1439185), (1507, 1087745), (2101, 780215), (2329, 703835), (3247, 504845), (3685, 444839), (5695, 287837), (7535, 217549), (9179, 178585), (10505, 156043), (11645, 140767), (12529, 130835), (12797, 128095), (16235, 100969), (25619, 63985), (26167, 62645), (35717, 45895)]