209938391

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{65381}}^1$

素因数の和:65426

約数の個数: 12

約数和(自身を含む): 239298120

約数和(自身を除く): 29359729

約数列:

[1, 13, 19, 169, 247, 3211, 65381, 849953, 1242239, 11049389, 16149107, 209938391]

約数ペア:

[(1, 209938391), (13, 16149107), (19, 11049389), (169, 1242239), (247, 849953), (3211, 65381)]