2008784405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{87739}}^1$

素因数の和:88004

約数の個数: 16

約数和(自身を含む): 2547969600

約数和(自身を除く): 539185195

約数列:

[1, 5, 19, 95, 241, 1205, 4579, 22895, 87739, 438695, 1667041, 8335205, 21145099, 105725495, 401756881, 2008784405]

約数ペア:

[(1, 2008784405), (5, 401756881), (19, 105725495), (95, 21145099), (241, 8335205), (1205, 1667041), (4579, 438695), (22895, 87739)]