31387655

素因数分解:

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

素因数の和:507

約数の個数: 32

約数和(自身を含む): 43104768

約数和(自身を除く): 11717113

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 421, 481, 1147, 2015, 2105, 2405, 5473, 5735, 13051, 14911, 15577, 27365, 65255, 74555, 77885, 169663, 202501, 482887, 848315, 1012505, 2414435, 6277531, 31387655]

約数ペア:

[(1, 31387655), (5, 6277531), (13, 2414435), (31, 1012505), (37, 848315), (65, 482887), (155, 202501), (185, 169663), (403, 77885), (421, 74555), (481, 65255), (1147, 27365), (2015, 15577), (2105, 14911), (2405, 13051), (5473, 5735)]