778861681

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{271097}}^1$

素因数の和:271140

約数の個数: 12

約数和(自身を含む): 892996812

約数和(自身を除く): 114135131

約数列:

[1, 13, 17, 169, 221, 2873, 271097, 3524261, 4608649, 45815393, 59912437, 778861681]

約数ペア:

[(1, 778861681), (13, 59912437), (17, 45815393), (169, 4608649), (221, 3524261), (2873, 271097)]