81684449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{22571}}^1$

素因数の和:22636

約数の個数: 16

約数和(自身を含む): 104011776

約数和(自身を除く): 22327327

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 22571, 157997, 248281, 1060837, 1737967, 7425859, 11669207, 81684449]

約数ペア:

[(1, 81684449), (7, 11669207), (11, 7425859), (47, 1737967), (77, 1060837), (329, 248281), (517, 157997), (3619, 22571)]