858556525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{2293}}^1$

素因数の和:3201

約数の個数: 24

約数和(自身を含む): 1129005864

約数和(自身を除く): 270449339

約数列:

[1, 5, 17, 25, 85, 425, 881, 2293, 4405, 11465, 14977, 22025, 38981, 57325, 74885, 194905, 374425, 974525, 2020133, 10100665, 34342261, 50503325, 171711305, 858556525]

約数ペア:

[(1, 858556525), (5, 171711305), (17, 50503325), (25, 34342261), (85, 10100665), (425, 2020133), (881, 974525), (2293, 374425), (4405, 194905), (11465, 74885), (14977, 57325), (22025, 38981)]