15663949940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{1621}}^1$

素因数の和:2037

約数の個数: 96

約数和(自身を含む): 35330196384

約数和(自身を除く): 19666246444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 293, 340, 388, 485, 586, 970, 1172, 1465, 1621, 1649, 1940, 2930, 3242, 3298, 4981, 5860, 6484, 6596, 8105, 8245, 9962, 16210, 16490, 19924, 24905, 27557, 28421, 32420, 32980, 49810, 55114, 56842, 99620, 110228, 113684, 137785, 142105, 157237, 275570, 284210, 314474, 474953, 483157, 551140, 568420, 628948, 786185, 949906, 966314, 1572370, 1899812, 1932628, 2374765, 2415785, 2673029, 3144740, 4749530, 4831570, 5346058, 8074201, 9499060, 9663140, 10692116, 13365145, 16148402, 26730290, 32296804, 40371005, 46070441, 53460580, 80742010, 92140882, 161484020, 184281764, 230352205, 460704410, 783197497, 921408820, 1566394994, 3132789988, 3915987485, 7831974970, 15663949940]

約数ペア:

[(1, 15663949940), (2, 7831974970), (4, 3915987485), (5, 3132789988), (10, 1566394994), (17, 921408820), (20, 783197497), (34, 460704410), (68, 230352205), (85, 184281764), (97, 161484020), (170, 92140882), (194, 80742010), (293, 53460580), (340, 46070441), (388, 40371005), (485, 32296804), (586, 26730290), (970, 16148402), (1172, 13365145), (1465, 10692116), (1621, 9663140), (1649, 9499060), (1940, 8074201), (2930, 5346058), (3242, 4831570), (3298, 4749530), (4981, 3144740), (5860, 2673029), (6484, 2415785), (6596, 2374765), (8105, 1932628), (8245, 1899812), (9962, 1572370), (16210, 966314), (16490, 949906), (19924, 786185), (24905, 628948), (27557, 568420), (28421, 551140), (32420, 483157), (32980, 474953), (49810, 314474), (55114, 284210), (56842, 275570), (99620, 157237), (110228, 142105), (113684, 137785)]