2821954465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2551}}^1\times {\mathrm{20113}}^1$

素因数の和:22680

約数の個数: 16

約数和(自身を含む): 3695826816

約数和(自身を除く): 873872351

約数列:

[1, 5, 11, 55, 2551, 12755, 20113, 28061, 100565, 140305, 221243, 1106215, 51308263, 256541315, 564390893, 2821954465]

約数ペア:

[(1, 2821954465), (5, 564390893), (11, 256541315), (55, 51308263), (2551, 1106215), (12755, 221243), (20113, 140305), (28061, 100565)]