51498993

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 89413632

約数和(自身を除く): 37914639

約数列:

[1, 3, 7, 13, 21, 39, 41, 43, 91, 107, 123, 129, 273, 287, 301, 321, 533, 559, 749, 861, 903, 1391, 1599, 1677, 1763, 2247, 3731, 3913, 4173, 4387, 4601, 5289, 9737, 11193, 11739, 12341, 13161, 13803, 22919, 29211, 30709, 32207, 37023, 57031, 59813, 68757, 92127, 96621, 160433, 171093, 179439, 188641, 399217, 418691, 481299, 565923, 1197651, 1256073, 1320487, 2452333, 3961461, 7356999, 17166331, 51498993]

約数ペア:

[(1, 51498993), (3, 17166331), (7, 7356999), (13, 3961461), (21, 2452333), (39, 1320487), (41, 1256073), (43, 1197651), (91, 565923), (107, 481299), (123, 418691), (129, 399217), (273, 188641), (287, 179439), (301, 171093), (321, 160433), (533, 96621), (559, 92127), (749, 68757), (861, 59813), (903, 57031), (1391, 37023), (1599, 32207), (1677, 30709), (1763, 29211), (2247, 22919), (3731, 13803), (3913, 13161), (4173, 12341), (4387, 11739), (4601, 11193), (5289, 9737)]