1388299024

素因数分解:

$2^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{39857}}^1$

素因数の和:40183

約数の個数: 40

約数和(自身を含む): 3084052608

約数和(自身を除く): 1695753584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 311, 622, 1244, 2177, 2488, 4354, 4976, 8708, 17416, 34832, 39857, 79714, 159428, 278999, 318856, 557998, 637712, 1115996, 2231992, 4463984, 12395527, 24791054, 49582108, 86768689, 99164216, 173537378, 198328432, 347074756, 694149512, 1388299024]

約数ペア:

[(1, 1388299024), (2, 694149512), (4, 347074756), (7, 198328432), (8, 173537378), (14, 99164216), (16, 86768689), (28, 49582108), (56, 24791054), (112, 12395527), (311, 4463984), (622, 2231992), (1244, 1115996), (2177, 637712), (2488, 557998), (4354, 318856), (4976, 278999), (8708, 159428), (17416, 79714), (34832, 39857)]