397131728

素因数分解:

$2^4\times 7^1\times {\mathrm{3545819}}^1$

素因数の和:3545834

約数の個数: 20

約数和(自身を含む): 879363360

約数和(自身を除く): 482231632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3545819, 7091638, 14183276, 24820733, 28366552, 49641466, 56733104, 99282932, 198565864, 397131728]

約数ペア:

[(1, 397131728), (2, 198565864), (4, 99282932), (7, 56733104), (8, 49641466), (14, 28366552), (16, 24820733), (28, 14183276), (56, 7091638), (112, 3545819)]