13191871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 17694720

約数和(自身を除く): 4502849

約数列:

[1, 7, 11, 19, 71, 77, 127, 133, 209, 497, 781, 889, 1349, 1397, 1463, 2413, 5467, 9017, 9443, 9779, 14839, 16891, 26543, 63119, 99187, 103873, 171323, 185801, 694309, 1199261, 1884553, 13191871]

約数ペア:

[(1, 13191871), (7, 1884553), (11, 1199261), (19, 694309), (71, 185801), (77, 171323), (127, 103873), (133, 99187), (209, 63119), (497, 26543), (781, 16891), (889, 14839), (1349, 9779), (1397, 9443), (1463, 9017), (2413, 5467)]