72904325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 98363496

約数和(自身を除く): 25459171

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 2221, 2525, 6565, 11105, 28873, 32825, 55525, 144365, 224321, 721825, 1121605, 2916173, 5608025, 14580865, 72904325]

約数ペア:

[(1, 72904325), (5, 14580865), (13, 5608025), (25, 2916173), (65, 1121605), (101, 721825), (325, 224321), (505, 144365), (1313, 55525), (2221, 32825), (2525, 28873), (6565, 11105)]