156938275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 222707968

約数和(自身を除く): 65769693

約数列:

[1, 5, 13, 25, 31, 37, 65, 155, 185, 325, 403, 421, 481, 775, 925, 1147, 2015, 2105, 2405, 5473, 5735, 10075, 10525, 12025, 13051, 14911, 15577, 27365, 28675, 65255, 74555, 77885, 136825, 169663, 202501, 326275, 372775, 389425, 482887, 848315, 1012505, 2414435, 4241575, 5062525, 6277531, 12072175, 31387655, 156938275]

約数ペア:

[(1, 156938275), (5, 31387655), (13, 12072175), (25, 6277531), (31, 5062525), (37, 4241575), (65, 2414435), (155, 1012505), (185, 848315), (325, 482887), (403, 389425), (421, 372775), (481, 326275), (775, 202501), (925, 169663), (1147, 136825), (2015, 77885), (2105, 74555), (2405, 65255), (5473, 28675), (5735, 27365), (10075, 15577), (10525, 14911), (12025, 13051)]