71271425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 91202496

約数和(自身を除く): 19931071

約数列:

[1, 5, 25, 43, 167, 215, 397, 835, 1075, 1985, 4175, 7181, 9925, 17071, 35905, 66299, 85355, 179525, 331495, 426775, 1657475, 2850857, 14254285, 71271425]

約数ペア:

[(1, 71271425), (5, 14254285), (25, 2850857), (43, 1657475), (167, 426775), (215, 331495), (397, 179525), (835, 85355), (1075, 66299), (1985, 35905), (4175, 17071), (7181, 9925)]