217960894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{133391}}^1$

素因数の和:133455

約数の個数: 16

約数和(自身を含む): 352154880

約数和(自身を除く): 134193986

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 133391, 266782, 2534429, 5068858, 5735813, 11471626, 108980447, 217960894]

約数ペア:

[(1, 217960894), (2, 108980447), (19, 11471626), (38, 5735813), (43, 5068858), (86, 2534429), (817, 266782), (1634, 133391)]