661632010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3607}}^1$

素因数の和:3727

約数の個数: 64

約数和(自身を含む): 1374734592

約数和(自身を除く): 713102582

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 83, 85, 130, 166, 170, 221, 415, 442, 830, 1079, 1105, 1411, 2158, 2210, 2822, 3607, 5395, 7055, 7214, 10790, 14110, 18035, 18343, 36070, 36686, 46891, 61319, 91715, 93782, 122638, 183430, 234455, 299381, 306595, 468910, 598762, 613190, 797147, 1496905, 1594294, 2993810, 3891953, 3985735, 5089477, 7783906, 7971470, 10178954, 19459765, 25447385, 38919530, 50894770, 66163201, 132326402, 330816005, 661632010]

約数ペア:

[(1, 661632010), (2, 330816005), (5, 132326402), (10, 66163201), (13, 50894770), (17, 38919530), (26, 25447385), (34, 19459765), (65, 10178954), (83, 7971470), (85, 7783906), (130, 5089477), (166, 3985735), (170, 3891953), (221, 2993810), (415, 1594294), (442, 1496905), (830, 797147), (1079, 613190), (1105, 598762), (1411, 468910), (2158, 306595), (2210, 299381), (2822, 234455), (3607, 183430), (5395, 122638), (7055, 93782), (7214, 91715), (10790, 61319), (14110, 46891), (18035, 36686), (18343, 36070)]