201271025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 255364608

約数和(自身を除く): 54093583

約数列:

[1, 5, 25, 61, 191, 305, 691, 955, 1525, 3455, 4775, 11651, 17275, 42151, 58255, 131981, 210755, 291275, 659905, 1053775, 3299525, 8050841, 40254205, 201271025]

約数ペア:

[(1, 201271025), (5, 40254205), (25, 8050841), (61, 3299525), (191, 1053775), (305, 659905), (691, 291275), (955, 210755), (1525, 131981), (3455, 58255), (4775, 42151), (11651, 17275)]