820180138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{3571}}^1\times {\mathrm{4993}}^1$

素因数の和:8589

約数の個数: 16

約数和(自身を含む): 1284376896

約数和(自身を除く): 464196758

約数列:

[1, 2, 23, 46, 3571, 4993, 7142, 9986, 82133, 114839, 164266, 229678, 17830003, 35660006, 410090069, 820180138]

約数ペア:

[(1, 820180138), (2, 410090069), (23, 35660006), (46, 17830003), (3571, 229678), (4993, 164266), (7142, 114839), (9986, 82133)]