81663722

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 144875520

約数和(自身を除く): 63211798

約数列:

[1, 2, 7, 14, 47, 79, 94, 158, 329, 553, 658, 1106, 1571, 3142, 3713, 7426, 10997, 21994, 25991, 51982, 73837, 124109, 147674, 248218, 516859, 868763, 1033718, 1737526, 5833123, 11666246, 40831861, 81663722]

約数ペア:

[(1, 81663722), (2, 40831861), (7, 11666246), (14, 5833123), (47, 1737526), (79, 1033718), (94, 868763), (158, 516859), (329, 248218), (553, 147674), (658, 124109), (1106, 73837), (1571, 51982), (3142, 25991), (3713, 21994), (7426, 10997)]