1991130568

素因数分解:

$2^3\times 7^1\times {\mathrm{35555903}}^1$

素因数の和:35555916

約数の個数: 16

約数和(自身を含む): 4266708480

約数和(自身を除く): 2275577912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 35555903, 71111806, 142223612, 248891321, 284447224, 497782642, 995565284, 1991130568]

約数ペア:

[(1, 1991130568), (2, 995565284), (4, 497782642), (7, 284447224), (8, 248891321), (14, 142223612), (28, 71111806), (56, 35555903)]