8640398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1211

約数の個数: 16

約数和(自身を含む): 14007840

約数和(自身を除く): 5367442

約数列:

[1, 2, 13, 26, 439, 757, 878, 1514, 5707, 9841, 11414, 19682, 332323, 664646, 4320199, 8640398]

約数ペア:

[(1, 8640398), (2, 4320199), (13, 664646), (26, 332323), (439, 19682), (757, 11414), (878, 9841), (1514, 5707)]