728314993

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{17911}}^1$

素因数の和:18112

約数の個数: 16

約数和(自身を含む): 860349184

約数和(自身を除く): 132034191

約数列:

[1, 7, 37, 157, 259, 1099, 5809, 17911, 40663, 125377, 662707, 2812027, 4638949, 19684189, 104044999, 728314993]

約数ペア:

[(1, 728314993), (7, 104044999), (37, 19684189), (157, 4638949), (259, 2812027), (1099, 662707), (5809, 125377), (17911, 40663)]