81354782

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{2879}}^1$

素因数の和:3151

約数の個数: 16

約数和(自身を含む): 124416000

約数和(自身を除く): 43061218

約数列:

[1, 2, 71, 142, 199, 398, 2879, 5758, 14129, 28258, 204409, 408818, 572921, 1145842, 40677391, 81354782]

約数ペア:

[(1, 81354782), (2, 40677391), (71, 1145842), (142, 572921), (199, 408818), (398, 204409), (2879, 28258), (5758, 14129)]