81466222

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{2591}}^1$

素因数の和:2871

約数の個数: 16

約数和(自身を含む): 124416000

約数和(自身を除く): 42949778

約数列:

[1, 2, 79, 158, 199, 398, 2591, 5182, 15721, 31442, 204689, 409378, 515609, 1031218, 40733111, 81466222]

約数ペア:

[(1, 81466222), (2, 40733111), (79, 1031218), (158, 515609), (199, 409378), (398, 204689), (2591, 31442), (5182, 15721)]