389402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 666792

約数和(自身を除く): 277390

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 881, 1762, 11453, 14977, 22906, 29954, 194701, 389402]

約数ペア:

[(1, 389402), (2, 194701), (13, 29954), (17, 22906), (26, 14977), (34, 11453), (221, 1762), (442, 881)]