4263025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{1009}}^1$

素因数の和:1045

約数の個数: 18

約数和(自身を含む): 5729730

約数和(自身を除く): 1466705

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 1009, 4225, 5045, 13117, 25225, 65585, 170521, 327925, 852605, 4263025]

約数ペア:

[(1, 4263025), (5, 852605), (13, 327925), (25, 170521), (65, 65585), (169, 25225), (325, 13117), (845, 5045), (1009, 4225)]