78881242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{21997}}^1$

素因数の和:22173

約数の個数: 16

約数和(自身を含む): 129876192

約数和(自身を除く): 50994950

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 21997, 43994, 241967, 483934, 3585511, 7171022, 39440621, 78881242]

約数ペア:

[(1, 78881242), (2, 39440621), (11, 7171022), (22, 3585511), (163, 483934), (326, 241967), (1793, 43994), (3586, 21997)]