389019652

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{21019}}^1$

素因数の和:21691

約数の個数: 24

約数和(自身を含む): 779253440

約数和(自身を除く): 390233788

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 9254, 18508, 21019, 42038, 84076, 147133, 294266, 588532, 13893559, 27787118, 55574236, 97254913, 194509826, 389019652]

約数ペア:

[(1, 389019652), (2, 194509826), (4, 97254913), (7, 55574236), (14, 27787118), (28, 13893559), (661, 588532), (1322, 294266), (2644, 147133), (4627, 84076), (9254, 42038), (18508, 21019)]