68909968

素因数分解:

$2^4\times {\mathrm{1993}}^1\times {\mathrm{2161}}^1$

素因数の和:4162

約数の個数: 20

約数和(自身を含む): 133641868

約数和(自身を除く): 64731900

約数列:

[1, 2, 4, 8, 16, 1993, 2161, 3986, 4322, 7972, 8644, 15944, 17288, 31888, 34576, 4306873, 8613746, 17227492, 34454984, 68909968]

約数ペア:

[(1, 68909968), (2, 34454984), (4, 17227492), (8, 8613746), (16, 4306873), (1993, 34576), (2161, 31888), (3986, 17288), (4322, 15944), (7972, 8644)]