139396615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3583}}^1$

素因数の和:3870

約数の個数: 16

約数和(自身を含む): 173408256

約数和(自身を除く): 34011641

約数列:

[1, 5, 31, 155, 251, 1255, 3583, 7781, 17915, 38905, 111073, 555365, 899333, 4496665, 27879323, 139396615]

約数ペア:

[(1, 139396615), (5, 27879323), (31, 4496665), (155, 899333), (251, 555365), (1255, 111073), (3583, 38905), (7781, 17915)]