12720024578

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{2999}}^1\times {\mathrm{21863}}^1$

素因数の和:24961

約数の個数: 16

約数和(自身を含む): 19284048000

約数和(自身を除く): 6564023422

約数列:

[1, 2, 97, 194, 2999, 5998, 21863, 43726, 290903, 581806, 2120711, 4241422, 65567137, 131134274, 6360012289, 12720024578]

約数ペア:

[(1, 12720024578), (2, 6360012289), (97, 131134274), (194, 65567137), (2999, 4241422), (5998, 2120711), (21863, 581806), (43726, 290903)]