56211155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 91342272

約数和(自身を除く): 35131117

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 847, 1001, 1021, 1573, 4235, 5005, 5105, 7147, 7865, 11011, 11231, 13273, 35735, 55055, 56155, 66365, 78617, 92911, 123541, 146003, 393085, 464555, 617705, 730015, 864787, 1022021, 1606033, 4323935, 5110105, 8030165, 11242231, 56211155]

約数ペア:

[(1, 56211155), (5, 11242231), (7, 8030165), (11, 5110105), (13, 4323935), (35, 1606033), (55, 1022021), (65, 864787), (77, 730015), (91, 617705), (121, 464555), (143, 393085), (385, 146003), (455, 123541), (605, 92911), (715, 78617), (847, 66365), (1001, 56155), (1021, 55055), (1573, 35735), (4235, 13273), (5005, 11231), (5105, 11011), (7147, 7865)]