664751188

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{13399}}^1$

素因数の和:13639

約数の個数: 24

約数和(自身を含む): 1185632000

約数和(自身を除く): 520880812

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 12403, 13399, 24806, 26798, 49612, 53596, 1058521, 2103643, 2117042, 4207286, 4234084, 8414572, 166187797, 332375594, 664751188]

約数ペア:

[(1, 664751188), (2, 332375594), (4, 166187797), (79, 8414572), (157, 4234084), (158, 4207286), (314, 2117042), (316, 2103643), (628, 1058521), (12403, 53596), (13399, 49612), (24806, 26798)]