199955728

素因数分解:

$2^4\times 7^1\times {\mathrm{1785319}}^1$

素因数の和:1785334

約数の個数: 20

約数和(自身を含む): 442759360

約数和(自身を除く): 242803632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1785319, 3570638, 7141276, 12497233, 14282552, 24994466, 28565104, 49988932, 99977864, 199955728]

約数ペア:

[(1, 199955728), (2, 99977864), (4, 49988932), (7, 28565104), (8, 24994466), (14, 14282552), (16, 12497233), (28, 7141276), (56, 3570638), (112, 1785319)]