678242018

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{16703}}^1$

素因数の和:17041

約数の個数: 16

約数和(自身を含む): 1034311680

約数和(自身を除く): 356069662

約数列:

[1, 2, 79, 158, 257, 514, 16703, 20303, 33406, 40606, 1319537, 2639074, 4292671, 8585342, 339121009, 678242018]

約数ペア:

[(1, 678242018), (2, 339121009), (79, 8585342), (158, 4292671), (257, 2639074), (514, 1319537), (16703, 40606), (20303, 33406)]