1987006

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 3456000

約数和(自身を除く): 1468994

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 1999, 3998, 13993, 27986, 141929, 283858, 993503, 1987006]

約数ペア:

[(1, 1987006), (2, 993503), (7, 283858), (14, 141929), (71, 27986), (142, 13993), (497, 3998), (994, 1999)]