1378897674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 3524788224

約数和(自身を除く): 2145890550

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 127, 142, 154, 213, 231, 254, 331, 381, 426, 462, 497, 662, 762, 781, 889, 993, 994, 1397, 1491, 1562, 1778, 1986, 2317, 2343, 2667, 2794, 2982, 3641, 4191, 4634, 4686, 5334, 5467, 6951, 7282, 8382, 9017, 9779, 10923, 10934, 13902, 16401, 18034, 19558, 21846, 23501, 25487, 27051, 29337, 32802, 42037, 47002, 50974, 54102, 58674, 63119, 70503, 76461, 84074, 99187, 126111, 126238, 141006, 152922, 164507, 189357, 198374, 252222, 258511, 294259, 297561, 329014, 378714, 462407, 493521, 517022, 588518, 595122, 694309, 775533, 882777, 924814, 987042, 1387221, 1388618, 1551066, 1765554, 1809577, 2082927, 2774442, 2984627, 3236849, 3619154, 4165854, 5428731, 5969254, 6473698, 8953881, 9710547, 10857462, 17907762, 19421094, 20892389, 32830897, 41784778, 62677167, 65661794, 98492691, 125354334, 196985382, 229816279, 459632558, 689448837, 1378897674]

約数ペア:

[(1, 1378897674), (2, 689448837), (3, 459632558), (6, 229816279), (7, 196985382), (11, 125354334), (14, 98492691), (21, 65661794), (22, 62677167), (33, 41784778), (42, 32830897), (66, 20892389), (71, 19421094), (77, 17907762), (127, 10857462), (142, 9710547), (154, 8953881), (213, 6473698), (231, 5969254), (254, 5428731), (331, 4165854), (381, 3619154), (426, 3236849), (462, 2984627), (497, 2774442), (662, 2082927), (762, 1809577), (781, 1765554), (889, 1551066), (993, 1388618), (994, 1387221), (1397, 987042), (1491, 924814), (1562, 882777), (1778, 775533), (1986, 694309), (2317, 595122), (2343, 588518), (2667, 517022), (2794, 493521), (2982, 462407), (3641, 378714), (4191, 329014), (4634, 297561), (4686, 294259), (5334, 258511), (5467, 252222), (6951, 198374), (7282, 189357), (8382, 164507), (9017, 152922), (9779, 141006), (10923, 126238), (10934, 126111), (13902, 99187), (16401, 84074), (18034, 76461), (19558, 70503), (21846, 63119), (23501, 58674), (25487, 54102), (27051, 50974), (29337, 47002), (32802, 42037)]