8121421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3637}}^1$

素因数の和:3684

約数の個数: 16

約数和(自身を含む): 10477440

約数和(自身を除く): 2356019

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 3637, 25459, 40007, 105473, 280049, 738311, 1160203, 8121421]

約数ペア:

[(1, 8121421), (7, 1160203), (11, 738311), (29, 280049), (77, 105473), (203, 40007), (319, 25459), (2233, 3637)]