2478312155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{634651}}^1$

素因数の和:634738

約数の個数: 16

約数和(自身を含む): 3290035968

約数和(自身を除く): 811723813

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 634651, 3173255, 6981161, 34905805, 45060221, 225301105, 495662431, 2478312155]

約数ペア:

[(1, 2478312155), (5, 495662431), (11, 225301105), (55, 45060221), (71, 34905805), (355, 6981161), (781, 3173255), (3905, 634651)]