421221025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 540862208

約数和(自身を除く): 119641183

約数列:

[1, 5, 25, 31, 155, 421, 775, 1291, 2105, 6455, 10525, 13051, 32275, 40021, 65255, 200105, 326275, 543511, 1000525, 2717555, 13587775, 16848841, 84244205, 421221025]

約数ペア:

[(1, 421221025), (5, 84244205), (25, 16848841), (31, 13587775), (155, 2717555), (421, 1000525), (775, 543511), (1291, 326275), (2105, 200105), (6455, 65255), (10525, 40021), (13051, 32275)]