66439386

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 170311680

約数和(自身を除く): 103872294

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 43, 54, 62, 71, 78, 86, 93, 117, 129, 142, 186, 213, 234, 258, 279, 351, 387, 403, 426, 558, 559, 639, 702, 774, 806, 837, 923, 1118, 1161, 1209, 1278, 1333, 1674, 1677, 1846, 1917, 2201, 2322, 2418, 2666, 2769, 3053, 3354, 3627, 3834, 3999, 4402, 5031, 5538, 6106, 6603, 7254, 7998, 8307, 9159, 10062, 10881, 11997, 13206, 15093, 16614, 17329, 18318, 19809, 21762, 23994, 24921, 27477, 28613, 30186, 34658, 35991, 39618, 39689, 49842, 51987, 54954, 57226, 59427, 71982, 79378, 82431, 85839, 94643, 103974, 118854, 119067, 155961, 164862, 171678, 189286, 238134, 257517, 283929, 311922, 357201, 467883, 515034, 567858, 714402, 772551, 851787, 935766, 1071603, 1230359, 1545102, 1703574, 2143206, 2460718, 2555361, 3691077, 5110722, 7382154, 11073231, 22146462, 33219693, 66439386]

約数ペア:

[(1, 66439386), (2, 33219693), (3, 22146462), (6, 11073231), (9, 7382154), (13, 5110722), (18, 3691077), (26, 2555361), (27, 2460718), (31, 2143206), (39, 1703574), (43, 1545102), (54, 1230359), (62, 1071603), (71, 935766), (78, 851787), (86, 772551), (93, 714402), (117, 567858), (129, 515034), (142, 467883), (186, 357201), (213, 311922), (234, 283929), (258, 257517), (279, 238134), (351, 189286), (387, 171678), (403, 164862), (426, 155961), (558, 119067), (559, 118854), (639, 103974), (702, 94643), (774, 85839), (806, 82431), (837, 79378), (923, 71982), (1118, 59427), (1161, 57226), (1209, 54954), (1278, 51987), (1333, 49842), (1674, 39689), (1677, 39618), (1846, 35991), (1917, 34658), (2201, 30186), (2322, 28613), (2418, 27477), (2666, 24921), (2769, 23994), (3053, 21762), (3354, 19809), (3627, 18318), (3834, 17329), (3999, 16614), (4402, 15093), (5031, 13206), (5538, 11997), (6106, 10881), (6603, 10062), (7254, 9159), (7998, 8307)]