208172041

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{386219}}^1$

素因数の和:386244

約数の個数: 12

約数和(自身を含む): 264174480

約数和(自身を除く): 56002439

約数列:

[1, 7, 11, 49, 77, 539, 386219, 2703533, 4248409, 18924731, 29738863, 208172041]

約数ペア:

[(1, 208172041), (7, 29738863), (11, 18924731), (49, 4248409), (77, 2703533), (539, 386219)]