129121355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75731}}^1$

素因数の和:75778

約数の個数: 16

約数和(自身を含む): 174486528

約数和(自身を除く): 45365173

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 75731, 378655, 833041, 2347661, 4165205, 11738305, 25824271, 129121355]

約数ペア:

[(1, 129121355), (5, 25824271), (11, 11738305), (31, 4165205), (55, 2347661), (155, 833041), (341, 378655), (1705, 75731)]