28237874

素因数分解:

$2^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1999}}^1$

素因数の和:3017

約数の個数: 16

約数和(自身を含む): 48480000

約数和(自身を除く): 20242126

約数列:

[1, 2, 7, 14, 1009, 1999, 2018, 3998, 7063, 13993, 14126, 27986, 2016991, 4033982, 14118937, 28237874]

約数ペア:

[(1, 28237874), (2, 14118937), (7, 4033982), (14, 2016991), (1009, 27986), (1999, 14126), (2018, 13993), (3998, 7063)]