686144144

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{25633}}^1$

素因数の和:25887

約数の個数: 40

約数和(自身を含む): 1525735680

約数和(自身を除く): 839591536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 956, 1673, 1912, 3346, 3824, 6692, 13384, 25633, 26768, 51266, 102532, 179431, 205064, 358862, 410128, 717724, 1435448, 2870896, 6126287, 12252574, 24505148, 42884009, 49010296, 85768018, 98020592, 171536036, 343072072, 686144144]

約数ペア:

[(1, 686144144), (2, 343072072), (4, 171536036), (7, 98020592), (8, 85768018), (14, 49010296), (16, 42884009), (28, 24505148), (56, 12252574), (112, 6126287), (239, 2870896), (478, 1435448), (956, 717724), (1673, 410128), (1912, 358862), (3346, 205064), (3824, 179431), (6692, 102532), (13384, 51266), (25633, 26768)]