13031525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 17618664

約数和(自身を除く): 4587139

約数列:

[1, 5, 13, 25, 65, 101, 325, 397, 505, 1313, 1985, 2525, 5161, 6565, 9925, 25805, 32825, 40097, 129025, 200485, 521261, 1002425, 2606305, 13031525]

約数ペア:

[(1, 13031525), (5, 2606305), (13, 1002425), (25, 521261), (65, 200485), (101, 129025), (325, 40097), (397, 32825), (505, 25805), (1313, 9925), (1985, 6565), (2525, 5161)]