248715025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{7577}}^1$

素因数の和:7701

約数の個数: 24

約数和(自身を含む): 335462904

約数和(自身を除く): 86747879

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 2525, 6565, 7577, 32825, 37885, 98501, 189425, 492505, 765277, 2462525, 3826385, 9948601, 19131925, 49743005, 248715025]

約数ペア:

[(1, 248715025), (5, 49743005), (13, 19131925), (25, 9948601), (65, 3826385), (101, 2462525), (325, 765277), (505, 492505), (1313, 189425), (2525, 98501), (6565, 37885), (7577, 32825)]