86428321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2789}}^1$

素因数の和:3048

約数の個数: 16

約数和(自身を含む): 104457600

約数和(自身を除く): 18029279

約数列:

[1, 7, 19, 133, 233, 1631, 2789, 4427, 19523, 30989, 52991, 370937, 649837, 4548859, 12346903, 86428321]

約数ペア:

[(1, 86428321), (7, 12346903), (19, 4548859), (133, 649837), (233, 370937), (1631, 52991), (2789, 30989), (4427, 19523)]