279761356

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{20023}}^1$

素因数の和:20533

約数の個数: 24

約数和(自身を含む): 560672000

約数和(自身を除く): 280910644

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 6986, 13972, 20023, 40046, 80092, 140161, 280322, 560644, 9991477, 19982954, 39965908, 69940339, 139880678, 279761356]

約数ペア:

[(1, 279761356), (2, 139880678), (4, 69940339), (7, 39965908), (14, 19982954), (28, 9991477), (499, 560644), (998, 280322), (1996, 140161), (3493, 80092), (6986, 40046), (13972, 20023)]