2051208845

素因数分解:

$5^1\times 7^2\times {\mathrm{2609}}^1\times {\mathrm{3209}}^1$

素因数の和:5837

約数の個数: 24

約数和(自身を含む): 2865310200

約数和(自身を除く): 814101355

約数列:

[1, 5, 7, 35, 49, 245, 2609, 3209, 13045, 16045, 18263, 22463, 91315, 112315, 127841, 157241, 639205, 786205, 8372281, 41861405, 58605967, 293029835, 410241769, 2051208845]

約数ペア:

[(1, 2051208845), (5, 410241769), (7, 293029835), (35, 58605967), (49, 41861405), (245, 8372281), (2609, 786205), (3209, 639205), (13045, 157241), (16045, 127841), (18263, 112315), (22463, 91315)]