209214257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{56713}}^1$

素因数の和:56768

約数の個数: 16

約数和(自身を含む): 261338112

約数和(自身を除く): 52123855

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 56713, 396991, 964121, 1758103, 6748847, 12306721, 29887751, 209214257]

約数ペア:

[(1, 209214257), (7, 29887751), (17, 12306721), (31, 6748847), (119, 1758103), (217, 964121), (527, 396991), (3689, 56713)]