247888988473

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1\times {\mathrm{1217}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 311309107200

約数和(自身を除く): 63420118727

約数列:

[1, 7, 19, 31, 127, 133, 217, 389, 589, 889, 1217, 2413, 2723, 3937, 4123, 7391, 8519, 12059, 16891, 23123, 27559, 37727, 49403, 51737, 74803, 84413, 154559, 161861, 229121, 264089, 345821, 473413, 523621, 716813, 938657, 1081913, 1531493, 1603847, 2936621, 3313891, 4791329, 5017691, 6570599, 8994847, 10720451, 14675803, 20556347, 29098367, 33539303, 60123451, 62963929, 91035251, 102730621, 203688569, 278840257, 420864157, 637246757, 1142345569, 1863826981, 1951881799, 7996418983, 13046788867, 35412712639, 247888988473]

約数ペア:

[(1, 247888988473), (7, 35412712639), (19, 13046788867), (31, 7996418983), (127, 1951881799), (133, 1863826981), (217, 1142345569), (389, 637246757), (589, 420864157), (889, 278840257), (1217, 203688569), (2413, 102730621), (2723, 91035251), (3937, 62963929), (4123, 60123451), (7391, 33539303), (8519, 29098367), (12059, 20556347), (16891, 14675803), (23123, 10720451), (27559, 8994847), (37727, 6570599), (49403, 5017691), (51737, 4791329), (74803, 3313891), (84413, 2936621), (154559, 1603847), (161861, 1531493), (229121, 1081913), (264089, 938657), (345821, 716813), (473413, 523621)]