2099681968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7719419}}^1$

素因数の和:7719444

約数の個数: 20

約数和(自身を含む): 4307436360

約数和(自身を除く): 2207754392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7719419, 15438838, 30877676, 61755352, 123510704, 131230123, 262460246, 524920492, 1049840984, 2099681968]

約数ペア:

[(1, 2099681968), (2, 1049840984), (4, 524920492), (8, 262460246), (16, 131230123), (17, 123510704), (34, 61755352), (68, 30877676), (136, 15438838), (272, 7719419)]