66253411

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2137}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 78267904

約数和(自身を除く): 12014493

約数列:

[1, 7, 43, 103, 301, 721, 2137, 4429, 14959, 31003, 91891, 220111, 643237, 1540777, 9464773, 66253411]

約数ペア:

[(1, 66253411), (7, 9464773), (43, 1540777), (103, 643237), (301, 220111), (721, 91891), (2137, 31003), (4429, 14959)]