30991025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{571}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 41705664

約数和(自身を除く): 10714639

約数列:

[1, 5, 13, 25, 65, 167, 325, 571, 835, 2171, 2855, 4175, 7423, 10855, 14275, 37115, 54275, 95357, 185575, 476785, 1239641, 2383925, 6198205, 30991025]

約数ペア:

[(1, 30991025), (5, 6198205), (13, 2383925), (25, 1239641), (65, 476785), (167, 185575), (325, 95357), (571, 54275), (835, 37115), (2171, 14275), (2855, 10855), (4175, 7423)]