211819286

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{889997}}^1$

素因数の和:890023

約数の個数: 16

約数和(自身を含む): 384479136

約数和(自身を除く): 172659850

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 889997, 1779994, 6229979, 12459958, 15129949, 30259898, 105909643, 211819286]

約数ペア:

[(1, 211819286), (2, 105909643), (7, 30259898), (14, 15129949), (17, 12459958), (34, 6229979), (119, 1779994), (238, 889997)]