12439091

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 15759360

約数和(自身を除く): 3320269

約数列:

[1, 7, 19, 31, 49, 133, 217, 431, 589, 931, 1519, 3017, 4123, 8189, 13361, 21119, 28861, 57323, 93527, 253859, 401261, 654689, 1777013, 12439091]

約数ペア:

[(1, 12439091), (7, 1777013), (19, 654689), (31, 401261), (49, 253859), (133, 93527), (217, 57323), (431, 28861), (589, 21119), (931, 13361), (1519, 8189), (3017, 4123)]