128203866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1999}}^1$

素因数の和:2523

約数の個数: 48

約数和(自身を含む): 318240000

約数和(自身を除く): 190036134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 509, 1018, 1527, 1999, 3054, 3563, 3998, 4581, 5997, 7126, 9162, 10689, 11994, 13993, 17991, 21378, 27986, 32067, 35982, 41979, 64134, 83958, 125937, 251874, 1017491, 2034982, 3052473, 6104946, 7122437, 9157419, 14244874, 18314838, 21367311, 42734622, 64101933, 128203866]

約数ペア:

[(1, 128203866), (2, 64101933), (3, 42734622), (6, 21367311), (7, 18314838), (9, 14244874), (14, 9157419), (18, 7122437), (21, 6104946), (42, 3052473), (63, 2034982), (126, 1017491), (509, 251874), (1018, 125937), (1527, 83958), (1999, 64134), (3054, 41979), (3563, 35982), (3998, 32067), (4581, 27986), (5997, 21378), (7126, 17991), (9162, 13993), (10689, 11994)]