81500042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{7817}}^1$

素因数の和:8233

約数の個数: 16

約数和(自身を含む): 131999112

約数和(自身を除く): 50499070

約数列:

[1, 2, 13, 26, 401, 802, 5213, 7817, 10426, 15634, 101621, 203242, 3134617, 6269234, 40750021, 81500042]

約数ペア:

[(1, 81500042), (2, 40750021), (13, 6269234), (26, 3134617), (401, 203242), (802, 101621), (5213, 15634), (7817, 10426)]