15966425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 20878872

約数和(自身を除く): 4912447

約数列:

[1, 5, 25, 37, 41, 185, 205, 421, 925, 1025, 1517, 2105, 7585, 10525, 15577, 17261, 37925, 77885, 86305, 389425, 431525, 638657, 3193285, 15966425]

約数ペア:

[(1, 15966425), (5, 3193285), (25, 638657), (37, 431525), (41, 389425), (185, 86305), (205, 77885), (421, 37925), (925, 17261), (1025, 15577), (1517, 10525), (2105, 7585)]