81355792

素因数分解:

$2^4\times 7^1\times {\mathrm{726391}}^1$

素因数の和:726406

約数の個数: 20

約数和(自身を含む): 180145216

約数和(自身を除く): 98789424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726391, 1452782, 2905564, 5084737, 5811128, 10169474, 11622256, 20338948, 40677896, 81355792]

約数ペア:

[(1, 81355792), (2, 40677896), (4, 20338948), (7, 11622256), (8, 10169474), (14, 5811128), (16, 5084737), (28, 2905564), (56, 1452782), (112, 726391)]