1989249968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{7313419}}^1$

素因数の和:7313444

約数の個数: 20

約数和(自身を含む): 4080888360

約数和(自身を除く): 2091638392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 7313419, 14626838, 29253676, 58507352, 117014704, 124328123, 248656246, 497312492, 994624984, 1989249968]

約数ペア:

[(1, 1989249968), (2, 994624984), (4, 497312492), (8, 248656246), (16, 124328123), (17, 117014704), (34, 58507352), (68, 29253676), (136, 14626838), (272, 7313419)]