128581246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{20759}}^1$

素因数の和:20943

約数の個数: 16

約数和(自身を含む): 204278400

約数和(自身を除く): 75697154

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 20759, 41518, 394421, 788842, 3383717, 6767434, 64290623, 128581246]

約数ペア:

[(1, 128581246), (2, 64290623), (19, 6767434), (38, 3383717), (163, 788842), (326, 394421), (3097, 41518), (6194, 20759)]