821089919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{9551}}^1$

素因数の和:9970

約数の個数: 16

約数和(自身を含む): 938770560

約数和(自身を除く): 117680641

約数列:

[1, 13, 17, 221, 389, 5057, 6613, 9551, 85969, 124163, 162367, 2110771, 3715339, 48299407, 63160763, 821089919]

約数ペア:

[(1, 821089919), (13, 63160763), (17, 48299407), (221, 3715339), (389, 2110771), (5057, 162367), (6613, 124163), (9551, 85969)]