149772025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{35449}}^1$

素因数の和:35485

約数の個数: 18

約数和(自身を含む): 201107850

約数和(自身を除く): 51335825

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 35449, 177245, 460837, 886225, 2304185, 5990881, 11520925, 29954405, 149772025]

約数ペア:

[(1, 149772025), (5, 29954405), (13, 11520925), (25, 5990881), (65, 2304185), (169, 886225), (325, 460837), (845, 177245), (4225, 35449)]