289721372

素因数分解:

$2^2\times {\mathrm{1759}}^1\times {\mathrm{41177}}^1$

素因数の和:42940

約数の個数: 12

約数和(自身を含む): 507312960

約数和(自身を除く): 217591588

約数列:

[1, 2, 4, 1759, 3518, 7036, 41177, 82354, 164708, 72430343, 144860686, 289721372]

約数ペア:

[(1, 289721372), (2, 144860686), (4, 72430343), (1759, 164708), (3518, 82354), (7036, 41177)]