8480978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1393

約数の個数: 16

約数和(自身を含む): 13927680

約数和(自身を除く): 5446702

約数列:

[1, 2, 11, 22, 389, 778, 991, 1982, 4279, 8558, 10901, 21802, 385499, 770998, 4240489, 8480978]

約数ペア:

[(1, 8480978), (2, 4240489), (11, 770998), (22, 385499), (389, 21802), (778, 10901), (991, 8558), (1982, 4279)]