2391961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 2882880

約数和(自身を除く): 490919

約数列:

[1, 11, 13, 43, 143, 389, 473, 559, 4279, 5057, 6149, 16727, 55627, 183997, 217451, 2391961]

約数ペア:

[(1, 2391961), (11, 217451), (13, 183997), (43, 55627), (143, 16727), (389, 6149), (473, 5057), (559, 4279)]