1990565698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{690689}}^1$

素因数の和:690833

約数の個数: 16

約数和(自身を含む): 3282158880

約数和(自身を除く): 1291593182

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 690689, 1381378, 7597579, 15195158, 90480259, 180960518, 995282849, 1990565698]

約数ペア:

[(1, 1990565698), (2, 995282849), (11, 180960518), (22, 90480259), (131, 15195158), (262, 7597579), (1441, 1381378), (2882, 690689)]