769665025

素因数分解:

$5^2\times {\mathrm{157}}^2\times {\mathrm{1249}}^1$

素因数の和:1573

約数の個数: 18

約数和(自身を含む): 961271250

約数和(自身を除く): 191606225

約数列:

[1, 5, 25, 157, 785, 1249, 3925, 6245, 24649, 31225, 123245, 196093, 616225, 980465, 4902325, 30786601, 153933005, 769665025]

約数ペア:

[(1, 769665025), (5, 153933005), (25, 30786601), (157, 4902325), (785, 980465), (1249, 616225), (3925, 196093), (6245, 123245), (24649, 31225)]