1999993086

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 256

約数和(自身を含む): 5952307200

約数和(自身を除く): 3952314114

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 31, 38, 39, 42, 54, 57, 62, 63, 78, 91, 93, 114, 117, 126, 133, 171, 182, 186, 189, 217, 234, 247, 266, 273, 279, 342, 351, 378, 399, 403, 434, 494, 513, 546, 558, 589, 651, 691, 702, 741, 798, 806, 819, 837, 1026, 1178, 1197, 1209, 1302, 1382, 1482, 1638, 1674, 1729, 1767, 1953, 2073, 2223, 2394, 2418, 2457, 2821, 3458, 3534, 3591, 3627, 3906, 4123, 4146, 4446, 4837, 4914, 5187, 5301, 5642, 5859, 6219, 6669, 7182, 7254, 7657, 8246, 8463, 8983, 9674, 10374, 10602, 10881, 11718, 12369, 12438, 13129, 13338, 14511, 15314, 15561, 15903, 16926, 17966, 18657, 21421, 21762, 22971, 24738, 25389, 26258, 26949, 29022, 31122, 31806, 37107, 37314, 39387, 42842, 43533, 45942, 46683, 50778, 53599, 53898, 62881, 64263, 68913, 74214, 76167, 78774, 80847, 87066, 91903, 93366, 107198, 111321, 118161, 125762, 128526, 130599, 137826, 149947, 152334, 160797, 161694, 170677, 183806, 188643, 192789, 206739, 222642, 236322, 242541, 261198, 275709, 278473, 299894, 321594, 341354, 354483, 377286, 385578, 406999, 413478, 449841, 482391, 485082, 512031, 551418, 556946, 565929, 578367, 708966, 813998, 827127, 835419, 899682, 964782, 1024062, 1131858, 1156734, 1194739, 1220997, 1349523, 1447173, 1536093, 1654254, 1670838, 1697787, 1949311, 2389478, 2441994, 2481381, 2506257, 2699046, 2848993, 2894346, 3072186, 3395574, 3584217, 3662991, 3898622, 4048569, 4608279, 4962762, 5012514, 5290987, 5697986, 5847933, 7168434, 7325982, 7518771, 8097138, 8546979, 9216558, 10581974, 10752651, 10988973, 11695866, 15037542, 15872961, 17093958, 17543799, 21505302, 21977946, 25640937, 31745922, 32257953, 35087598, 37036909, 47618883, 51281874, 52631397, 64515906, 74073818, 76922811, 95237766, 105262794, 111110727, 142856649, 153845622, 222221454, 285713298, 333332181, 666664362, 999996543, 1999993086]

約数ペア:

[(1, 1999993086), (2, 999996543), (3, 666664362), (6, 333332181), (7, 285713298), (9, 222221454), (13, 153845622), (14, 142856649), (18, 111110727), (19, 105262794), (21, 95237766), (26, 76922811), (27, 74073818), (31, 64515906), (38, 52631397), (39, 51281874), (42, 47618883), (54, 37036909), (57, 35087598), (62, 32257953), (63, 31745922), (78, 25640937), (91, 21977946), (93, 21505302), (114, 17543799), (117, 17093958), (126, 15872961), (133, 15037542), (171, 11695866), (182, 10988973), (186, 10752651), (189, 10581974), (217, 9216558), (234, 8546979), (247, 8097138), (266, 7518771), (273, 7325982), (279, 7168434), (342, 5847933), (351, 5697986), (378, 5290987), (399, 5012514), (403, 4962762), (434, 4608279), (494, 4048569), (513, 3898622), (546, 3662991), (558, 3584217), (589, 3395574), (651, 3072186), (691, 2894346), (702, 2848993), (741, 2699046), (798, 2506257), (806, 2481381), (819, 2441994), (837, 2389478), (1026, 1949311), (1178, 1697787), (1197, 1670838), (1209, 1654254), (1302, 1536093), (1382, 1447173), (1482, 1349523), (1638, 1220997), (1674, 1194739), (1729, 1156734), (1767, 1131858), (1953, 1024062), (2073, 964782), (2223, 899682), (2394, 835419), (2418, 827127), (2457, 813998), (2821, 708966), (3458, 578367), (3534, 565929), (3591, 556946), (3627, 551418), (3906, 512031), (4123, 485082), (4146, 482391), (4446, 449841), (4837, 413478), (4914, 406999), (5187, 385578), (5301, 377286), (5642, 354483), (5859, 341354), (6219, 321594), (6669, 299894), (7182, 278473), (7254, 275709), (7657, 261198), (8246, 242541), (8463, 236322), (8983, 222642), (9674, 206739), (10374, 192789), (10602, 188643), (10881, 183806), (11718, 170677), (12369, 161694), (12438, 160797), (13129, 152334), (13338, 149947), (14511, 137826), (15314, 130599), (15561, 128526), (15903, 125762), (16926, 118161), (17966, 111321), (18657, 107198), (21421, 93366), (21762, 91903), (22971, 87066), (24738, 80847), (25389, 78774), (26258, 76167), (26949, 74214), (29022, 68913), (31122, 64263), (31806, 62881), (37107, 53898), (37314, 53599), (39387, 50778), (42842, 46683), (43533, 45942)]