1990457854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12925051}}^1$

素因数の和:12925071

約数の個数: 16

約数和(自身を含む): 3722414976

約数和(自身を除く): 1731957122

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 12925051, 25850102, 90475357, 142175561, 180950714, 284351122, 995228927, 1990457854]

約数ペア:

[(1, 1990457854), (2, 995228927), (7, 284351122), (11, 180950714), (14, 142175561), (22, 90475357), (77, 25850102), (154, 12925051)]