12421805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3268

約数の個数: 16

約数和(自身を含む): 16495488

約数和(自身を除く): 4073683

約数列:

[1, 5, 11, 55, 71, 355, 781, 3181, 3905, 15905, 34991, 174955, 225851, 1129255, 2484361, 12421805]

約数ペア:

[(1, 12421805), (5, 2484361), (11, 1129255), (55, 225851), (71, 174955), (355, 34991), (781, 15905), (3181, 3905)]