78668142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 201719808

約数和(自身を除く): 123051666

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 31, 37, 42, 46, 62, 69, 71, 74, 93, 111, 138, 142, 161, 186, 213, 217, 222, 259, 322, 426, 434, 483, 497, 518, 651, 713, 777, 851, 966, 994, 1147, 1302, 1426, 1491, 1554, 1633, 1702, 2139, 2201, 2294, 2553, 2627, 2982, 3266, 3441, 4278, 4402, 4899, 4991, 5106, 5254, 5957, 6603, 6882, 7881, 8029, 9798, 9982, 11431, 11914, 13206, 14973, 15407, 15762, 16058, 17871, 18389, 22862, 24087, 26381, 29946, 30814, 34293, 35742, 36778, 46221, 48174, 50623, 52762, 55167, 60421, 68586, 79143, 81437, 92442, 101246, 110334, 120842, 151869, 158286, 162874, 181263, 184667, 244311, 303738, 354361, 362526, 369334, 422947, 488622, 554001, 570059, 708722, 845894, 1063083, 1108002, 1140118, 1268841, 1710177, 1873051, 2126166, 2537682, 3420354, 3746102, 5619153, 11238306, 13111357, 26222714, 39334071, 78668142]

約数ペア:

[(1, 78668142), (2, 39334071), (3, 26222714), (6, 13111357), (7, 11238306), (14, 5619153), (21, 3746102), (23, 3420354), (31, 2537682), (37, 2126166), (42, 1873051), (46, 1710177), (62, 1268841), (69, 1140118), (71, 1108002), (74, 1063083), (93, 845894), (111, 708722), (138, 570059), (142, 554001), (161, 488622), (186, 422947), (213, 369334), (217, 362526), (222, 354361), (259, 303738), (322, 244311), (426, 184667), (434, 181263), (483, 162874), (497, 158286), (518, 151869), (651, 120842), (713, 110334), (777, 101246), (851, 92442), (966, 81437), (994, 79143), (1147, 68586), (1302, 60421), (1426, 55167), (1491, 52762), (1554, 50623), (1633, 48174), (1702, 46221), (2139, 36778), (2201, 35742), (2294, 34293), (2553, 30814), (2627, 29946), (2982, 26381), (3266, 24087), (3441, 22862), (4278, 18389), (4402, 17871), (4899, 16058), (4991, 15762), (5106, 15407), (5254, 14973), (5957, 13206), (6603, 11914), (6882, 11431), (7881, 9982), (8029, 9798)]