12820801

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 16087680

約数和(自身を除く): 3266879

約数列:

[1, 7, 19, 47, 49, 133, 293, 329, 893, 931, 2051, 2303, 5567, 6251, 13771, 14357, 38969, 43757, 96397, 261649, 272783, 674779, 1831543, 12820801]

約数ペア:

[(1, 12820801), (7, 1831543), (19, 674779), (47, 272783), (49, 261649), (133, 96397), (293, 43757), (329, 38969), (893, 14357), (931, 13771), (2051, 6251), (2303, 5567)]