12691259

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 15686400

約数和(自身を除く): 2995141

約数列:

[1, 7, 19, 37, 133, 259, 703, 2579, 4921, 18053, 49001, 95423, 343007, 667961, 1813037, 12691259]

約数ペア:

[(1, 12691259), (7, 1813037), (19, 667961), (37, 343007), (133, 95423), (259, 49001), (703, 18053), (2579, 4921)]