64702990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 127409760

約数和(自身を除く): 62706770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 521, 1042, 1129, 2258, 2605, 5210, 5645, 5731, 11290, 11462, 12419, 24838, 28655, 57310, 62095, 124190, 588209, 1176418, 2941045, 5882090, 6470299, 12940598, 32351495, 64702990]

約数ペア:

[(1, 64702990), (2, 32351495), (5, 12940598), (10, 6470299), (11, 5882090), (22, 2941045), (55, 1176418), (110, 588209), (521, 124190), (1042, 62095), (1129, 57310), (2258, 28655), (2605, 24838), (5210, 12419), (5645, 11462), (5731, 11290)]