81136081

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 89152000

約数和(自身を除く): 8015919

約数列:

[1, 13, 79, 199, 397, 1027, 2587, 5161, 15721, 31363, 79003, 204373, 407719, 1027039, 6241237, 81136081]

約数ペア:

[(1, 81136081), (13, 6241237), (79, 1027039), (199, 407719), (397, 204373), (1027, 79003), (2587, 31363), (5161, 15721)]