13390415

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1130

約数の個数: 16

約数和(自身を含む): 16728096

約数和(自身を除く): 3337681

約数列:

[1, 5, 43, 61, 215, 305, 1021, 2623, 5105, 13115, 43903, 62281, 219515, 311405, 2678083, 13390415]

約数ペア:

[(1, 13390415), (5, 2678083), (43, 311405), (61, 219515), (215, 62281), (305, 43903), (1021, 13115), (2623, 5105)]