641442008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{1864657}}^1$

素因数の和:1864706

約数の個数: 16

約数和(自身を含む): 1230674280

約数和(自身を除く): 589232272

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1864657, 3729314, 7458628, 14917256, 80180251, 160360502, 320721004, 641442008]

約数ペア:

[(1, 641442008), (2, 320721004), (4, 160360502), (8, 80180251), (43, 14917256), (86, 7458628), (172, 3729314), (344, 1864657)]