2008779981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1\times {\mathrm{25261}}^1$

素因数の和:27316

約数の個数: 16

約数和(自身を含む): 2885930880

約数和(自身を除く): 877150899

約数列:

[1, 3, 13, 39, 2039, 6117, 25261, 26507, 75783, 79521, 328393, 985179, 51507179, 154521537, 669593327, 2008779981]

約数ペア:

[(1, 2008779981), (3, 669593327), (13, 154521537), (39, 51507179), (2039, 985179), (6117, 328393), (25261, 79521), (26507, 75783)]