81641896

素因数分解:

$2^3\times 7^1\times {\mathrm{1457891}}^1$

素因数の和:1457904

約数の個数: 16

約数和(自身を含む): 174947040

約数和(自身を除く): 93305144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1457891, 2915782, 5831564, 10205237, 11663128, 20410474, 40820948, 81641896]

約数ペア:

[(1, 81641896), (2, 40820948), (4, 20410474), (7, 11663128), (8, 10205237), (14, 5831564), (28, 2915782), (56, 1457891)]