12641525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 17097864

約数和(自身を除く): 4456339

約数列:

[1, 5, 13, 25, 65, 97, 325, 401, 485, 1261, 2005, 2425, 5213, 6305, 10025, 26065, 31525, 38897, 130325, 194485, 505661, 972425, 2528305, 12641525]

約数ペア:

[(1, 12641525), (5, 2528305), (13, 972425), (25, 505661), (65, 194485), (97, 130325), (325, 38897), (401, 31525), (485, 26065), (1261, 10025), (2005, 6305), (2425, 5213)]