28131404

素因数分解:

$2^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1471}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 56383488

約数和(自身を除く): 28252084

約数列:

[1, 2, 4, 7, 14, 28, 683, 1366, 1471, 2732, 2942, 4781, 5884, 9562, 10297, 19124, 20594, 41188, 1004693, 2009386, 4018772, 7032851, 14065702, 28131404]

約数ペア:

[(1, 28131404), (2, 14065702), (4, 7032851), (7, 4018772), (14, 2009386), (28, 1004693), (683, 41188), (1366, 20594), (1471, 19124), (2732, 10297), (2942, 9562), (4781, 5884)]