199912986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 555190272

約数和(自身を除く): 355277286

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 127, 182, 186, 217, 234, 254, 273, 279, 381, 403, 434, 546, 558, 651, 762, 806, 819, 889, 961, 1143, 1209, 1302, 1638, 1651, 1778, 1922, 1953, 2286, 2418, 2667, 2821, 2883, 3302, 3627, 3906, 3937, 4953, 5334, 5642, 5766, 6727, 7254, 7874, 8001, 8463, 8649, 9906, 11557, 11811, 12493, 13454, 14859, 16002, 16926, 17298, 20181, 23114, 23622, 24986, 25389, 27559, 29718, 34671, 35433, 37479, 40362, 50778, 51181, 55118, 60543, 69342, 70866, 74958, 82677, 87451, 102362, 104013, 112437, 121086, 122047, 153543, 165354, 174902, 208026, 224874, 244094, 248031, 262353, 307086, 358267, 366141, 460629, 496062, 524706, 716534, 732282, 787059, 854329, 921258, 1074801, 1098423, 1574118, 1586611, 1708658, 2149602, 2196846, 2562987, 3173222, 3224403, 4759833, 5125974, 6448806, 7688961, 9519666, 11106277, 14279499, 15377922, 22212554, 28558998, 33318831, 66637662, 99956493, 199912986]

約数ペア:

[(1, 199912986), (2, 99956493), (3, 66637662), (6, 33318831), (7, 28558998), (9, 22212554), (13, 15377922), (14, 14279499), (18, 11106277), (21, 9519666), (26, 7688961), (31, 6448806), (39, 5125974), (42, 4759833), (62, 3224403), (63, 3173222), (78, 2562987), (91, 2196846), (93, 2149602), (117, 1708658), (126, 1586611), (127, 1574118), (182, 1098423), (186, 1074801), (217, 921258), (234, 854329), (254, 787059), (273, 732282), (279, 716534), (381, 524706), (403, 496062), (434, 460629), (546, 366141), (558, 358267), (651, 307086), (762, 262353), (806, 248031), (819, 244094), (889, 224874), (961, 208026), (1143, 174902), (1209, 165354), (1302, 153543), (1638, 122047), (1651, 121086), (1778, 112437), (1922, 104013), (1953, 102362), (2286, 87451), (2418, 82677), (2667, 74958), (2821, 70866), (2883, 69342), (3302, 60543), (3627, 55118), (3906, 51181), (3937, 50778), (4953, 40362), (5334, 37479), (5642, 35433), (5766, 34671), (6727, 29718), (7254, 27559), (7874, 25389), (8001, 24986), (8463, 23622), (8649, 23114), (9906, 20181), (11557, 17298), (11811, 16926), (12493, 16002), (13454, 14859)]