2157627815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2680283}}^1$

素因数の和:2680318

約数の個数: 16

約数和(自身を含む): 3087687168

約数和(自身を除く): 930059353

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 2680283, 13401415, 18761981, 61646509, 93809905, 308232545, 431525563, 2157627815]

約数ペア:

[(1, 2157627815), (5, 431525563), (7, 308232545), (23, 93809905), (35, 61646509), (115, 18761981), (161, 13401415), (805, 2680283)]