28780984

素因数分解:

$2^3\times {\mathrm{809}}^1\times {\mathrm{4447}}^1$

素因数の和:5262

約数の個数: 16

約数和(自身を含む): 54043200

約数和(自身を除く): 25262216

約数列:

[1, 2, 4, 8, 809, 1618, 3236, 4447, 6472, 8894, 17788, 35576, 3597623, 7195246, 14390492, 28780984]

約数ペア:

[(1, 28780984), (2, 14390492), (4, 7195246), (8, 3597623), (809, 35576), (1618, 17788), (3236, 8894), (4447, 6472)]