217425656

素因数分解:

$2^3\times 7^1\times {\mathrm{3882601}}^1$

素因数の和:3882614

約数の個数: 16

約数和(自身を含む): 465912240

約数和(自身を除く): 248486584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3882601, 7765202, 15530404, 27178207, 31060808, 54356414, 108712828, 217425656]

約数ペア:

[(1, 217425656), (2, 108712828), (4, 54356414), (7, 31060808), (8, 27178207), (14, 15530404), (28, 7765202), (56, 3882601)]