28389211

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 31144960

約数和(自身を除く): 2755749

約数列:

[1, 19, 31, 157, 307, 589, 2983, 4867, 5833, 9517, 48199, 92473, 180823, 915781, 1494169, 28389211]

約数ペア:

[(1, 28389211), (19, 1494169), (31, 915781), (157, 180823), (307, 92473), (589, 48199), (2983, 9517), (4867, 5833)]