858242245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401987}}^1$

素因数の和:402060

約数の個数: 16

約数和(自身を含む): 1196316288

約数和(自身を除く): 338074043

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 401987, 2009935, 2813909, 14069545, 24521207, 122606035, 171648449, 858242245]

約数ペア:

[(1, 858242245), (5, 171648449), (7, 122606035), (35, 24521207), (61, 14069545), (305, 2813909), (427, 2009935), (2135, 401987)]