28957225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3631}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 40533120

約数和(自身を除く): 11575895

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 3631, 7975, 18155, 39941, 90775, 105299, 199705, 526495, 998525, 1158289, 2632475, 5791445, 28957225]

約数ペア:

[(1, 28957225), (5, 5791445), (11, 2632475), (25, 1158289), (29, 998525), (55, 526495), (145, 199705), (275, 105299), (319, 90775), (725, 39941), (1595, 18155), (3631, 7975)]