28931728

素因数分解:

$2^4\times 7^1\times {\mathrm{258319}}^1$

素因数の和:258334

約数の個数: 20

約数和(自身を含む): 64063360

約数和(自身を除く): 35131632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 258319, 516638, 1033276, 1808233, 2066552, 3616466, 4133104, 7232932, 14465864, 28931728]

約数ペア:

[(1, 28931728), (2, 14465864), (4, 7232932), (7, 4133104), (8, 3616466), (14, 2066552), (16, 1808233), (28, 1033276), (56, 516638), (112, 258319)]