81568816

素因数分解:

$2^4\times 7^1\times {\mathrm{728293}}^1$

素因数の和:728308

約数の個数: 20

約数和(自身を含む): 180616912

約数和(自身を除く): 99048096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728293, 1456586, 2913172, 5098051, 5826344, 10196102, 11652688, 20392204, 40784408, 81568816]

約数ペア:

[(1, 81568816), (2, 40784408), (4, 20392204), (7, 11652688), (8, 10196102), (14, 5826344), (16, 5098051), (28, 2913172), (56, 1456586), (112, 728293)]