27978678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 192

約数和(自身を含む): 83865600

約数和(自身を除く): 55886922

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 29, 31, 38, 39, 42, 57, 58, 62, 63, 78, 87, 91, 93, 114, 117, 126, 133, 171, 174, 182, 186, 203, 217, 234, 247, 261, 266, 273, 279, 342, 377, 399, 403, 406, 434, 494, 522, 546, 551, 558, 589, 609, 651, 741, 754, 798, 806, 819, 899, 1102, 1131, 1178, 1197, 1209, 1218, 1302, 1482, 1638, 1653, 1729, 1767, 1798, 1827, 1953, 2223, 2262, 2394, 2418, 2639, 2697, 2821, 3306, 3393, 3458, 3534, 3627, 3654, 3857, 3906, 4123, 4446, 4959, 5187, 5278, 5301, 5394, 5642, 6293, 6786, 7163, 7254, 7657, 7714, 7917, 8091, 8246, 8463, 9918, 10374, 10602, 11571, 11687, 12369, 12586, 14326, 15314, 15561, 15834, 16182, 16926, 17081, 18879, 21489, 22971, 23142, 23374, 23751, 24738, 25389, 31122, 34162, 34713, 35061, 37107, 37758, 42978, 45942, 47502, 50141, 50778, 51243, 53599, 56637, 64467, 68913, 69426, 70122, 74214, 81809, 100282, 102486, 105183, 107198, 113274, 119567, 128934, 137826, 150423, 153729, 160797, 163618, 210366, 222053, 239134, 245427, 300846, 307458, 321594, 358701, 444106, 451269, 482391, 490854, 666159, 717402, 736281, 902538, 964782, 1076103, 1332318, 1472562, 1554371, 1998477, 2152206, 3108742, 3996954, 4663113, 9326226, 13989339, 27978678]

約数ペア:

[(1, 27978678), (2, 13989339), (3, 9326226), (6, 4663113), (7, 3996954), (9, 3108742), (13, 2152206), (14, 1998477), (18, 1554371), (19, 1472562), (21, 1332318), (26, 1076103), (29, 964782), (31, 902538), (38, 736281), (39, 717402), (42, 666159), (57, 490854), (58, 482391), (62, 451269), (63, 444106), (78, 358701), (87, 321594), (91, 307458), (93, 300846), (114, 245427), (117, 239134), (126, 222053), (133, 210366), (171, 163618), (174, 160797), (182, 153729), (186, 150423), (203, 137826), (217, 128934), (234, 119567), (247, 113274), (261, 107198), (266, 105183), (273, 102486), (279, 100282), (342, 81809), (377, 74214), (399, 70122), (403, 69426), (406, 68913), (434, 64467), (494, 56637), (522, 53599), (546, 51243), (551, 50778), (558, 50141), (589, 47502), (609, 45942), (651, 42978), (741, 37758), (754, 37107), (798, 35061), (806, 34713), (819, 34162), (899, 31122), (1102, 25389), (1131, 24738), (1178, 23751), (1197, 23374), (1209, 23142), (1218, 22971), (1302, 21489), (1482, 18879), (1638, 17081), (1653, 16926), (1729, 16182), (1767, 15834), (1798, 15561), (1827, 15314), (1953, 14326), (2223, 12586), (2262, 12369), (2394, 11687), (2418, 11571), (2639, 10602), (2697, 10374), (2821, 9918), (3306, 8463), (3393, 8246), (3458, 8091), (3534, 7917), (3627, 7714), (3654, 7657), (3857, 7254), (3906, 7163), (4123, 6786), (4446, 6293), (4959, 5642), (5187, 5394), (5278, 5301)]