31134025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{7369}}^1$

素因数の和:7405

約数の個数: 18

約数和(自身を含む): 41810010

約数和(自身を除く): 10675985

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 7369, 36845, 95797, 184225, 478985, 1245361, 2394925, 6226805, 31134025]

約数ペア:

[(1, 31134025), (5, 6226805), (13, 2394925), (25, 1245361), (65, 478985), (169, 184225), (325, 95797), (845, 36845), (4225, 7369)]