2556568

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 5564160

約数和(自身を除く): 3007592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 643, 994, 1286, 1988, 2572, 3976, 4501, 5144, 9002, 18004, 36008, 45653, 91306, 182612, 319571, 365224, 639142, 1278284, 2556568]

約数ペア:

[(1, 2556568), (2, 1278284), (4, 639142), (7, 365224), (8, 319571), (14, 182612), (28, 91306), (56, 45653), (71, 36008), (142, 18004), (284, 9002), (497, 5144), (568, 4501), (643, 3976), (994, 2572), (1286, 1988)]