558025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 796824

約数和(自身を除く): 238799

約数列:

[1, 5, 13, 17, 25, 65, 85, 101, 221, 325, 425, 505, 1105, 1313, 1717, 2525, 5525, 6565, 8585, 22321, 32825, 42925, 111605, 558025]

約数ペア:

[(1, 558025), (5, 111605), (13, 42925), (17, 32825), (25, 22321), (65, 8585), (85, 6565), (101, 5525), (221, 2525), (325, 1717), (425, 1313), (505, 1105)]