81136706

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{17509}}^1$

素因数の和:17849

約数の個数: 16

約数和(自身を含む): 139519680

約数和(自身を除く): 58382974

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 17509, 35018, 122563, 245126, 5795479, 11590958, 40568353, 81136706]

約数ペア:

[(1, 81136706), (2, 40568353), (7, 11590958), (14, 5795479), (331, 245126), (662, 122563), (2317, 35018), (4634, 17509)]