668874031

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{12347}}^1$

素因数の和:12534

約数の個数: 16

約数和(自身を含む): 782369280

約数和(自身を除く): 113495249

約数列:

[1, 7, 71, 109, 497, 763, 7739, 12347, 54173, 86429, 876637, 1345823, 6136459, 9420761, 95553433, 668874031]

約数ペア:

[(1, 668874031), (7, 95553433), (71, 9420761), (109, 6136459), (497, 1345823), (763, 876637), (7739, 86429), (12347, 54173)]