61951825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11213}}^1$

素因数の和:11253

約数の個数: 24

約数和(自身を含む): 87603768

約数和(自身を除く): 25651943

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 11213, 56065, 145769, 190621, 280325, 728845, 953105, 2478073, 3644225, 4765525, 12390365, 61951825]

約数ペア:

[(1, 61951825), (5, 12390365), (13, 4765525), (17, 3644225), (25, 2478073), (65, 953105), (85, 728845), (221, 280325), (325, 190621), (425, 145769), (1105, 56065), (5525, 11213)]