2901415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 3856896

約数和(自身を除く): 955481

約数列:

[1, 5, 11, 55, 71, 355, 743, 781, 3715, 3905, 8173, 40865, 52753, 263765, 580283, 2901415]

約数ペア:

[(1, 2901415), (5, 580283), (11, 263765), (55, 52753), (71, 40865), (355, 8173), (743, 3905), (781, 3715)]