12406828

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1987}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 24937472

約数和(自身を除く): 12530644

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 1987, 3122, 3974, 6244, 7948, 13909, 27818, 55636, 443101, 886202, 1772404, 3101707, 6203414, 12406828]

約数ペア:

[(1, 12406828), (2, 6203414), (4, 3101707), (7, 1772404), (14, 886202), (28, 443101), (223, 55636), (446, 27818), (892, 13909), (1561, 7948), (1987, 6244), (3122, 3974)]