1990045777

素因数分解:

${\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1\times {\mathrm{643}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 2061521280

約数和(自身を除く): 71475503

約数列:

[1, 37, 233, 359, 643, 8621, 13283, 23791, 83647, 149819, 230837, 3094939, 5543303, 8540969, 53785021, 1990045777]

約数ペア:

[(1, 1990045777), (37, 53785021), (233, 8540969), (359, 5543303), (643, 3094939), (8621, 230837), (13283, 149819), (23791, 83647)]