858311993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{64433}}^1$

素因数の和:64624

約数の個数: 16

約数和(自身を含む): 1076305536

約数和(自身を除く): 217993543

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 13321, 64433, 451031, 708763, 4961341, 11146909, 78028363, 122615999, 858311993]

約数ペア:

[(1, 858311993), (7, 122615999), (11, 78028363), (77, 11146909), (173, 4961341), (1211, 708763), (1903, 451031), (13321, 64433)]