199892407

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73571}}^1$

素因数の和:73614

約数の個数: 16

約数和(自身を含む): 247201920

約数和(自身を除く): 47309513

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 73571, 809281, 956423, 1397849, 10520653, 15376339, 18172037, 199892407]

約数ペア:

[(1, 199892407), (11, 18172037), (13, 15376339), (19, 10520653), (143, 1397849), (209, 956423), (247, 809281), (2717, 73571)]