289985474

素因数分解:

$2^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1\times {\mathrm{701}}^1$

素因数の和:1621

約数の個数: 16

約数和(自身を含む): 437534136

約数和(自身を除く): 147548662

約数列:

[1, 2, 397, 521, 701, 794, 1042, 1402, 206837, 278297, 365221, 413674, 556594, 730442, 144992737, 289985474]

約数ペア:

[(1, 289985474), (2, 144992737), (397, 730442), (521, 556594), (701, 413674), (794, 365221), (1042, 278297), (1402, 206837)]