2008016887148

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1\times {\mathrm{134581}}^1$

素因数の和:135254

約数の個数: 48

約数和(自身を含む): 3604179172608

約数和(自身を除く): 1596162285460

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 491, 982, 1964, 7597, 15194, 30388, 34861, 52537, 69722, 105074, 134581, 139444, 210148, 269162, 538324, 3730127, 7460254, 9555251, 14400167, 14920508, 19110502, 28800334, 38221004, 57600668, 66079271, 132158542, 264317084, 1022411857, 2044823714, 4089647428, 4691628241, 7070481997, 9383256482, 14140963994, 18766512964, 28281927988, 502004221787, 1004008443574, 2008016887148]

約数ペア:

[(1, 2008016887148), (2, 1004008443574), (4, 502004221787), (71, 28281927988), (107, 18766512964), (142, 14140963994), (214, 9383256482), (284, 7070481997), (428, 4691628241), (491, 4089647428), (982, 2044823714), (1964, 1022411857), (7597, 264317084), (15194, 132158542), (30388, 66079271), (34861, 57600668), (52537, 38221004), (69722, 28800334), (105074, 19110502), (134581, 14920508), (139444, 14400167), (210148, 9555251), (269162, 7460254), (538324, 3730127)]