80871212

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 143136000

約数和(自身を除く): 62264788

約数列:

[1, 2, 4, 199, 283, 359, 398, 566, 718, 796, 1132, 1436, 56317, 71441, 101597, 112634, 142882, 203194, 225268, 285764, 406388, 20217803, 40435606, 80871212]

約数ペア:

[(1, 80871212), (2, 40435606), (4, 20217803), (199, 406388), (283, 285764), (359, 225268), (398, 203194), (566, 142882), (718, 112634), (796, 101597), (1132, 71441), (1436, 56317)]