28320691

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{719}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 6101069

約数列:

[1, 7, 17, 119, 331, 719, 2317, 5033, 5627, 12223, 39389, 85561, 237989, 1665923, 4045813, 28320691]

約数ペア:

[(1, 28320691), (7, 4045813), (17, 1665923), (119, 237989), (331, 85561), (719, 39389), (2317, 12223), (5033, 5627)]