28725606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 82218240

約数和(自身を除く): 53492634

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 71, 78, 91, 114, 117, 126, 133, 142, 169, 171, 182, 213, 234, 247, 266, 273, 338, 342, 399, 426, 494, 497, 507, 546, 639, 741, 798, 819, 923, 994, 1014, 1183, 1197, 1278, 1349, 1482, 1491, 1521, 1638, 1729, 1846, 2223, 2366, 2394, 2698, 2769, 2982, 3042, 3211, 3458, 3549, 4047, 4446, 4473, 5187, 5538, 6422, 6461, 7098, 8094, 8307, 8946, 9443, 9633, 10374, 10647, 11999, 12141, 12922, 15561, 16614, 17537, 18886, 19266, 19383, 21294, 22477, 23998, 24282, 28329, 28899, 31122, 35074, 35997, 38766, 44954, 52611, 56658, 57798, 58149, 67431, 71994, 83993, 84987, 105222, 107991, 116298, 122759, 134862, 157833, 167986, 169974, 202293, 215982, 227981, 245518, 251979, 315666, 368277, 404586, 455962, 503958, 683943, 736554, 755937, 1104831, 1367886, 1511874, 1595867, 2051829, 2209662, 3191734, 4103658, 4787601, 9575202, 14362803, 28725606]

約数ペア:

[(1, 28725606), (2, 14362803), (3, 9575202), (6, 4787601), (7, 4103658), (9, 3191734), (13, 2209662), (14, 2051829), (18, 1595867), (19, 1511874), (21, 1367886), (26, 1104831), (38, 755937), (39, 736554), (42, 683943), (57, 503958), (63, 455962), (71, 404586), (78, 368277), (91, 315666), (114, 251979), (117, 245518), (126, 227981), (133, 215982), (142, 202293), (169, 169974), (171, 167986), (182, 157833), (213, 134862), (234, 122759), (247, 116298), (266, 107991), (273, 105222), (338, 84987), (342, 83993), (399, 71994), (426, 67431), (494, 58149), (497, 57798), (507, 56658), (546, 52611), (639, 44954), (741, 38766), (798, 35997), (819, 35074), (923, 31122), (994, 28899), (1014, 28329), (1183, 24282), (1197, 23998), (1278, 22477), (1349, 21294), (1482, 19383), (1491, 19266), (1521, 18886), (1638, 17537), (1729, 16614), (1846, 15561), (2223, 12922), (2366, 12141), (2394, 11999), (2698, 10647), (2769, 10374), (2982, 9633), (3042, 9443), (3211, 8946), (3458, 8307), (3549, 8094), (4047, 7098), (4446, 6461), (4473, 6422), (5187, 5538)]