208049639

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{223469}}^1$

素因数の和:223502

約数の個数: 12

約数和(自身を含む): 254755800

約数和(自身を除く): 46706161

約数列:

[1, 7, 19, 49, 133, 931, 223469, 1564283, 4245911, 10949981, 29721377, 208049639]

約数ペア:

[(1, 208049639), (7, 29721377), (19, 10949981), (49, 4245911), (133, 1564283), (931, 223469)]