28990129

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 34276608

約数和(自身を除く): 5286479

約数列:

[1, 7, 37, 173, 259, 647, 1211, 4529, 6401, 23939, 44807, 111931, 167573, 783517, 4141447, 28990129]

約数ペア:

[(1, 28990129), (7, 4141447), (37, 783517), (173, 167573), (259, 111931), (647, 44807), (1211, 23939), (4529, 6401)]