128538008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{373657}}^1$

素因数の和:373706

約数の個数: 16

約数和(自身を含む): 246614280

約数和(自身を除く): 118076272

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 373657, 747314, 1494628, 2989256, 16067251, 32134502, 64269004, 128538008]

約数ペア:

[(1, 128538008), (2, 64269004), (4, 32134502), (8, 16067251), (43, 2989256), (86, 1494628), (172, 747314), (344, 373657)]