12158975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 16129920

約数和(自身を除く): 3970945

約数列:

[1, 5, 25, 29, 31, 145, 155, 541, 725, 775, 899, 2705, 4495, 13525, 15689, 16771, 22475, 78445, 83855, 392225, 419275, 486359, 2431795, 12158975]

約数ペア:

[(1, 12158975), (5, 2431795), (25, 486359), (29, 419275), (31, 392225), (145, 83855), (155, 78445), (541, 22475), (725, 16771), (775, 15689), (899, 13525), (2705, 4495)]