278312432

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{21187}}^1$

素因数の和:22016

約数の個数: 20

約数和(自身を含む): 539912616

約数和(自身を除く): 261600184

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 6568, 13136, 21187, 42374, 84748, 169496, 338992, 17394527, 34789054, 69578108, 139156216, 278312432]

約数ペア:

[(1, 278312432), (2, 139156216), (4, 69578108), (8, 34789054), (16, 17394527), (821, 338992), (1642, 169496), (3284, 84748), (6568, 42374), (13136, 21187)]