664188378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2689}}^1\times {\mathrm{5881}}^1$

素因数の和:8582

約数の個数: 32

約数和(自身を含む): 1518967680

約数和(自身を除く): 854779302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2689, 5378, 5881, 8067, 11762, 16134, 17643, 18823, 35286, 37646, 41167, 56469, 82334, 112938, 123501, 247002, 15814009, 31628018, 47442027, 94884054, 110698063, 221396126, 332094189, 664188378]

約数ペア:

[(1, 664188378), (2, 332094189), (3, 221396126), (6, 110698063), (7, 94884054), (14, 47442027), (21, 31628018), (42, 15814009), (2689, 247002), (5378, 123501), (5881, 112938), (8067, 82334), (11762, 56469), (16134, 41167), (17643, 37646), (18823, 35286)]