8995025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{2129}}^1$

素因数の和:2165

約数の個数: 18

約数和(自身を含む): 12083490

約数和(自身を除く): 3088465

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 2129, 4225, 10645, 27677, 53225, 138385, 359801, 691925, 1799005, 8995025]

約数ペア:

[(1, 8995025), (5, 1799005), (13, 691925), (25, 359801), (65, 138385), (169, 53225), (325, 27677), (845, 10645), (2129, 4225)]