2990449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 3787776

約数和(自身を除く): 797327

約数列:

[1, 7, 11, 71, 77, 497, 547, 781, 3829, 5467, 6017, 38837, 42119, 271859, 427207, 2990449]

約数ペア:

[(1, 2990449), (7, 427207), (11, 271859), (71, 42119), (77, 38837), (497, 6017), (547, 5467), (781, 3829)]