259912525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2221}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 335042048

約数和(自身を除く): 75129523

約数列:

[1, 5, 25, 31, 151, 155, 755, 775, 2221, 3775, 4681, 11105, 23405, 55525, 68851, 117025, 335371, 344255, 1676855, 1721275, 8384275, 10396501, 51982505, 259912525]

約数ペア:

[(1, 259912525), (5, 51982505), (25, 10396501), (31, 8384275), (151, 1721275), (155, 1676855), (755, 344255), (775, 335371), (2221, 117025), (3775, 68851), (4681, 55525), (11105, 23405)]