66522025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 84652568

約数和(自身を除く): 18130543

約数列:

[1, 5, 25, 61, 181, 241, 305, 905, 1205, 1525, 4525, 6025, 11041, 14701, 43621, 55205, 73505, 218105, 276025, 367525, 1090525, 2660881, 13304405, 66522025]

約数ペア:

[(1, 66522025), (5, 13304405), (25, 2660881), (61, 1090525), (181, 367525), (241, 276025), (305, 218105), (905, 73505), (1205, 55205), (1525, 43621), (4525, 14701), (6025, 11041)]