231638778

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 618456384

約数和(自身を除く): 386817606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 71, 81, 98, 126, 137, 142, 147, 162, 189, 213, 243, 274, 294, 378, 411, 426, 441, 486, 497, 567, 639, 822, 882, 959, 994, 1134, 1233, 1278, 1323, 1491, 1701, 1917, 1918, 2466, 2646, 2877, 2982, 3402, 3479, 3699, 3834, 3969, 4473, 5751, 5754, 6713, 6958, 7398, 7938, 8631, 8946, 9727, 10437, 11097, 11502, 11907, 13419, 13426, 17253, 17262, 19454, 20139, 20874, 22194, 23814, 25893, 26838, 29181, 31311, 33291, 34506, 40257, 40278, 51786, 58362, 60417, 62622, 66582, 68089, 77679, 80514, 87543, 93933, 120771, 120834, 136178, 155358, 175086, 181251, 187866, 204267, 233037, 241542, 262629, 281799, 362502, 408534, 466074, 476623, 525258, 543753, 563598, 612801, 787887, 845397, 953246, 1087506, 1225602, 1429869, 1575774, 1631259, 1690794, 1838403, 2363661, 2859738, 3262518, 3676806, 4289607, 4727322, 5515209, 8579214, 11030418, 12868821, 16545627, 25737642, 33091254, 38606463, 77212926, 115819389, 231638778]

約数ペア:

[(1, 231638778), (2, 115819389), (3, 77212926), (6, 38606463), (7, 33091254), (9, 25737642), (14, 16545627), (18, 12868821), (21, 11030418), (27, 8579214), (42, 5515209), (49, 4727322), (54, 4289607), (63, 3676806), (71, 3262518), (81, 2859738), (98, 2363661), (126, 1838403), (137, 1690794), (142, 1631259), (147, 1575774), (162, 1429869), (189, 1225602), (213, 1087506), (243, 953246), (274, 845397), (294, 787887), (378, 612801), (411, 563598), (426, 543753), (441, 525258), (486, 476623), (497, 466074), (567, 408534), (639, 362502), (822, 281799), (882, 262629), (959, 241542), (994, 233037), (1134, 204267), (1233, 187866), (1278, 181251), (1323, 175086), (1491, 155358), (1701, 136178), (1917, 120834), (1918, 120771), (2466, 93933), (2646, 87543), (2877, 80514), (2982, 77679), (3402, 68089), (3479, 66582), (3699, 62622), (3834, 60417), (3969, 58362), (4473, 51786), (5751, 40278), (5754, 40257), (6713, 34506), (6958, 33291), (7398, 31311), (7938, 29181), (8631, 26838), (8946, 25893), (9727, 23814), (10437, 22194), (11097, 20874), (11502, 20139), (11907, 19454), (13419, 17262), (13426, 17253)]