1997942357

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{19429}}^1$

素因数の和:19732

約数の個数: 16

約数和(自身を含む): 2215952640

約数和(自身を除く): 218010283

約数列:

[1, 17, 23, 263, 391, 4471, 6049, 19429, 102833, 330293, 446867, 5109827, 7596739, 86867059, 117526021, 1997942357]

約数ペア:

[(1, 1997942357), (17, 117526021), (23, 86867059), (263, 7596739), (391, 5109827), (4471, 446867), (6049, 330293), (19429, 102833)]