12547405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 16865280

約数和(自身を除く): 4317875

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 479, 845, 2015, 2395, 5239, 6227, 14849, 26195, 31135, 74245, 80951, 193037, 404755, 965185, 2509481, 12547405]

約数ペア:

[(1, 12547405), (5, 2509481), (13, 965185), (31, 404755), (65, 193037), (155, 80951), (169, 74245), (403, 31135), (479, 26195), (845, 14849), (2015, 6227), (2395, 5239)]