258557286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3314837}}^1$

素因数の和:3314855

約数の個数: 16

約数和(自身を含む): 556892784

約数和(自身を除く): 298335498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3314837, 6629674, 9944511, 19889022, 43092881, 86185762, 129278643, 258557286]

約数ペア:

[(1, 258557286), (2, 129278643), (3, 86185762), (6, 43092881), (13, 19889022), (26, 9944511), (39, 6629674), (78, 3314837)]