81990032

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222799}}^1$

素因数の和:222830

約数の個数: 20

約数和(自身を含む): 165763200

約数和(自身を除く): 83773168

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222799, 445598, 891196, 1782392, 3564784, 5124377, 10248754, 20497508, 40995016, 81990032]

約数ペア:

[(1, 81990032), (2, 40995016), (4, 20497508), (8, 10248754), (16, 5124377), (23, 3564784), (46, 1782392), (92, 891196), (184, 445598), (368, 222799)]