12420877

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 14586880

約数和(自身を除く): 2166003

約数列:

[1, 7, 73, 109, 223, 511, 763, 1561, 7957, 16279, 24307, 55699, 113953, 170149, 1774411, 12420877]

約数ペア:

[(1, 12420877), (7, 1774411), (73, 170149), (109, 113953), (223, 55699), (511, 24307), (763, 16279), (1561, 7957)]