397731404

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{489817}}^1$

素因数の和:489857

約数の個数: 24

約数和(自身を含む): 822894240

約数和(自身を除く): 425162836

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 489817, 979634, 1959268, 3428719, 6857438, 13714876, 14204693, 28409386, 56818772, 99432851, 198865702, 397731404]

約数ペア:

[(1, 397731404), (2, 198865702), (4, 99432851), (7, 56818772), (14, 28409386), (28, 14204693), (29, 13714876), (58, 6857438), (116, 3428719), (203, 1959268), (406, 979634), (812, 489817)]