65551525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 88447464

約数和(自身を除く): 22895939

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 1997, 2525, 6565, 9985, 25961, 32825, 49925, 129805, 201697, 649025, 1008485, 2622061, 5042425, 13110305, 65551525]

約数ペア:

[(1, 65551525), (5, 13110305), (13, 5042425), (25, 2622061), (65, 1008485), (101, 649025), (325, 201697), (505, 129805), (1313, 49925), (1997, 32825), (2525, 25961), (6565, 9985)]