129580225

素因数分解:

$5^2\times {\mathrm{59}}^2\times {\mathrm{1489}}^1$

素因数の和:1617

約数の個数: 18

約数和(自身を含む): 163558790

約数和(自身を除く): 33978565

約数列:

[1, 5, 25, 59, 295, 1475, 1489, 3481, 7445, 17405, 37225, 87025, 87851, 439255, 2196275, 5183209, 25916045, 129580225]

約数ペア:

[(1, 129580225), (5, 25916045), (25, 5183209), (59, 2196275), (295, 439255), (1475, 87851), (1489, 87025), (3481, 37225), (7445, 17405)]