81272816

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{4673}}^1$

素因数の和:5768

約数の個数: 20

約数和(自身を含む): 157644672

約数和(自身を除く): 76371856

約数列:

[1, 2, 4, 8, 16, 1087, 2174, 4348, 4673, 8696, 9346, 17392, 18692, 37384, 74768, 5079551, 10159102, 20318204, 40636408, 81272816]

約数ペア:

[(1, 81272816), (2, 40636408), (4, 20318204), (8, 10159102), (16, 5079551), (1087, 74768), (2174, 37384), (4348, 18692), (4673, 17392), (8696, 9346)]