81250568

素因数分解:

$2^3\times 7^1\times {\mathrm{1450903}}^1$

素因数の和:1450916

約数の個数: 16

約数和(自身を含む): 174108480

約数和(自身を除く): 92857912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1450903, 2901806, 5803612, 10156321, 11607224, 20312642, 40625284, 81250568]

約数ペア:

[(1, 81250568), (2, 40625284), (4, 20312642), (7, 11607224), (8, 10156321), (14, 5803612), (28, 2901806), (56, 1450903)]