81090458

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{10639}}^1$

素因数の和:10781

約数の個数: 16

約数和(自身を含む): 126147840

約数和(自身を除く): 45057382

約数列:

[1, 2, 37, 74, 103, 206, 3811, 7622, 10639, 21278, 393643, 787286, 1095817, 2191634, 40545229, 81090458]

約数ペア:

[(1, 81090458), (2, 40545229), (37, 2191634), (74, 1095817), (103, 787286), (206, 393643), (3811, 21278), (7622, 10639)]