279792238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{208489}}^1$

素因数の和:208563

約数の個数: 16

約数和(自身を含む): 465349680

約数和(自身を除く): 185557442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 208489, 416978, 2293379, 4586758, 12717829, 25435658, 139896119, 279792238]

約数ペア:

[(1, 279792238), (2, 139896119), (11, 25435658), (22, 12717829), (61, 4586758), (122, 2293379), (671, 416978), (1342, 208489)]