1664351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 12

約数和(自身を含む): 1908312

約数和(自身を除く): 243961

約数列:

[1, 13, 17, 221, 289, 443, 3757, 5759, 7531, 97903, 128027, 1664351]

約数ペア:

[(1, 1664351), (13, 128027), (17, 97903), (221, 7531), (289, 5759), (443, 3757)]