9385025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 12749184

約数和(自身を除く): 3364159

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 431, 871, 1675, 2155, 4355, 5603, 10775, 21775, 28015, 28877, 140075, 144385, 375401, 721925, 1877005, 9385025]

約数ペア:

[(1, 9385025), (5, 1877005), (13, 721925), (25, 375401), (65, 144385), (67, 140075), (325, 28877), (335, 28015), (431, 21775), (871, 10775), (1675, 5603), (2155, 4355)]