205514561

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{9829}}^1$

素因数の和:9968

約数の個数: 16

約数和(自身を含む): 245356800

約数和(自身を除く): 39842239

約数列:

[1, 7, 29, 103, 203, 721, 2987, 9829, 20909, 68803, 285041, 1012387, 1995287, 7086709, 29359223, 205514561]

約数ペア:

[(1, 205514561), (7, 29359223), (29, 7086709), (103, 1995287), (203, 1012387), (721, 285041), (2987, 68803), (9829, 20909)]