399821086

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{140683}}^1$

素因数の和:140728

約数の個数: 24

約数和(自身を含む): 721708920

約数和(自身を除く): 321887834

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 140683, 281366, 984781, 1969562, 4079807, 6893467, 8159614, 13786934, 28558649, 57117298, 199910543, 399821086]

約数ペア:

[(1, 399821086), (2, 199910543), (7, 57117298), (14, 28558649), (29, 13786934), (49, 8159614), (58, 6893467), (98, 4079807), (203, 1969562), (406, 984781), (1421, 281366), (2842, 140683)]