28928525

素因数分解:

$5^2\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2752

約数の個数: 12

約数和(自身を含む): 35956404

約数和(自身を除く): 7027879

約数列:

[1, 5, 25, 521, 2221, 2605, 11105, 13025, 55525, 1157141, 5785705, 28928525]

約数ペア:

[(1, 28928525), (5, 5785705), (25, 1157141), (521, 55525), (2221, 13025), (2605, 11105)]