331399874

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 542640000

約数和(自身を除く): 211240126

約数列:

[1, 2, 13, 26, 169, 199, 338, 379, 398, 758, 2197, 2587, 4394, 4927, 5174, 9854, 33631, 64051, 67262, 75421, 128102, 150842, 437203, 832663, 874406, 980473, 1665326, 1960946, 12746149, 25492298, 165699937, 331399874]

約数ペア:

[(1, 331399874), (2, 165699937), (13, 25492298), (26, 12746149), (169, 1960946), (199, 1665326), (338, 980473), (379, 874406), (398, 832663), (758, 437203), (2197, 150842), (2587, 128102), (4394, 75421), (4927, 67262), (5174, 64051), (9854, 33631)]