539638025

素因数分解:

$5^2\times {\mathrm{61}}^2\times {\mathrm{5801}}^1$

素因数の和:5933

約数の個数: 18

約数和(自身を含む): 680417946

約数和(自身を除く): 140779921

約数列:

[1, 5, 25, 61, 305, 1525, 3721, 5801, 18605, 29005, 93025, 145025, 353861, 1769305, 8846525, 21585521, 107927605, 539638025]

約数ペア:

[(1, 539638025), (5, 107927605), (25, 21585521), (61, 8846525), (305, 1769305), (1525, 353861), (3721, 145025), (5801, 93025), (18605, 29005)]