2990008

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 6480000

約数和(自身を除く): 3489992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 499, 749, 856, 998, 1498, 1996, 2996, 3493, 3992, 5992, 6986, 13972, 27944, 53393, 106786, 213572, 373751, 427144, 747502, 1495004, 2990008]

約数ペア:

[(1, 2990008), (2, 1495004), (4, 747502), (7, 427144), (8, 373751), (14, 213572), (28, 106786), (56, 53393), (107, 27944), (214, 13972), (428, 6986), (499, 5992), (749, 3992), (856, 3493), (998, 2996), (1498, 1996)]