28720121486

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47707843}}^1$

素因数の和:47707895

約数の個数: 16

約数和(自身を含む): 50379483264

約数和(自身を除く): 21659361778

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 47707843, 95415686, 333954901, 667909802, 2051437249, 4102874498, 14360060743, 28720121486]

約数ペア:

[(1, 28720121486), (2, 14360060743), (7, 4102874498), (14, 2051437249), (43, 667909802), (86, 333954901), (301, 95415686), (602, 47707843)]