290499318

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{19421}}^1$

素因数の和:19709

約数の個数: 32

約数和(自身を含む): 647917920

約数和(自身を除く): 357418602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1662, 2493, 4986, 7479, 14958, 19421, 38842, 58263, 116526, 174789, 349578, 524367, 1048734, 5379617, 10759234, 16138851, 32277702, 48416553, 96833106, 145249659, 290499318]

約数ペア:

[(1, 290499318), (2, 145249659), (3, 96833106), (6, 48416553), (9, 32277702), (18, 16138851), (27, 10759234), (54, 5379617), (277, 1048734), (554, 524367), (831, 349578), (1662, 174789), (2493, 116526), (4986, 58263), (7479, 38842), (14958, 19421)]