204531925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21701}}^1$

素因数の和:21753

約数の個数: 24

約数和(自身を含む): 282560040

約数和(自身を除く): 78028115

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 21701, 108505, 282113, 542525, 629329, 1410565, 3146645, 7052825, 8181277, 15733225, 40906385, 204531925]

約数ペア:

[(1, 204531925), (5, 40906385), (13, 15733225), (25, 8181277), (29, 7052825), (65, 3146645), (145, 1410565), (325, 629329), (377, 542525), (725, 282113), (1885, 108505), (9425, 21701)]