109009225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{25801}}^1$

素因数の和:25837

約数の個数: 18

約数和(自身を含む): 146374746

約数和(自身を除く): 37365521

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 25801, 129005, 335413, 645025, 1677065, 4360369, 8385325, 21801845, 109009225]

約数ペア:

[(1, 109009225), (5, 21801845), (13, 8385325), (25, 4360369), (65, 1677065), (169, 645025), (325, 335413), (845, 129005), (4225, 25801)]