71688275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 92386944

約数和(自身を除く): 20698669

約数列:

[1, 5, 25, 31, 155, 233, 397, 775, 1165, 1985, 5825, 7223, 9925, 12307, 36115, 61535, 92501, 180575, 307675, 462505, 2312525, 2867531, 14337655, 71688275]

約数ペア:

[(1, 71688275), (5, 14337655), (25, 2867531), (31, 2312525), (155, 462505), (233, 307675), (397, 180575), (775, 92501), (1165, 61535), (1985, 36115), (5825, 12307), (7223, 9925)]