161959184

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{246889}}^1$

素因数の和:246938

約数の個数: 20

約数和(自身を含む): 321450780

約数和(自身を除く): 159491596

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 246889, 493778, 987556, 1975112, 3950224, 10122449, 20244898, 40489796, 80979592, 161959184]

約数ペア:

[(1, 161959184), (2, 80979592), (4, 40489796), (8, 20244898), (16, 10122449), (41, 3950224), (82, 1975112), (164, 987556), (328, 493778), (656, 246889)]