80385019

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{3931}}^1$

素因数の和:3979

約数の個数: 18

約数和(自身を含む): 95700948

約数和(自身を除く): 15315929

約数列:

[1, 11, 13, 121, 143, 169, 1573, 1859, 3931, 20449, 43241, 51103, 475651, 562133, 664339, 6183463, 7307729, 80385019]

約数ペア:

[(1, 80385019), (11, 7307729), (13, 6183463), (121, 664339), (143, 562133), (169, 475651), (1573, 51103), (1859, 43241), (3931, 20449)]