209745289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{2011}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 231202944

約数和(自身を除く): 21457655

約数列:

[1, 13, 71, 113, 923, 1469, 2011, 8023, 26143, 104299, 142781, 227243, 1856153, 2954159, 16134253, 209745289]

約数ペア:

[(1, 209745289), (13, 16134253), (71, 2954159), (113, 1856153), (923, 227243), (1469, 142781), (2011, 104299), (8023, 26143)]