855654436

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 2020085760

約数和(自身を除く): 1164431324

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 169, 182, 217, 247, 266, 307, 338, 364, 403, 434, 494, 532, 589, 614, 676, 806, 868, 988, 1178, 1183, 1228, 1612, 1729, 2149, 2356, 2366, 2821, 3211, 3458, 3991, 4123, 4298, 4732, 5239, 5642, 5833, 6422, 6916, 7657, 7982, 8246, 8596, 9517, 10478, 11284, 11666, 12844, 15314, 15964, 16492, 19034, 20956, 22477, 23332, 27937, 30628, 36673, 38068, 40831, 44954, 51883, 53599, 55874, 66619, 73346, 75829, 81662, 89908, 99541, 103766, 107198, 111748, 123721, 133238, 146692, 151658, 163324, 180823, 199082, 207532, 214396, 247442, 266476, 303316, 361646, 363181, 398164, 494884, 530803, 696787, 723292, 726362, 866047, 985777, 1061606, 1265761, 1393574, 1452724, 1608373, 1732094, 1971554, 2123212, 2350699, 2531522, 2787148, 3216746, 3464188, 3943108, 4701398, 5063044, 6433492, 6900439, 9402796, 11258611, 13800878, 16454893, 22517222, 27601756, 30559087, 32909786, 45034444, 61118174, 65819572, 122236348, 213913609, 427827218, 855654436]

約数ペア:

[(1, 855654436), (2, 427827218), (4, 213913609), (7, 122236348), (13, 65819572), (14, 61118174), (19, 45034444), (26, 32909786), (28, 30559087), (31, 27601756), (38, 22517222), (52, 16454893), (62, 13800878), (76, 11258611), (91, 9402796), (124, 6900439), (133, 6433492), (169, 5063044), (182, 4701398), (217, 3943108), (247, 3464188), (266, 3216746), (307, 2787148), (338, 2531522), (364, 2350699), (403, 2123212), (434, 1971554), (494, 1732094), (532, 1608373), (589, 1452724), (614, 1393574), (676, 1265761), (806, 1061606), (868, 985777), (988, 866047), (1178, 726362), (1183, 723292), (1228, 696787), (1612, 530803), (1729, 494884), (2149, 398164), (2356, 363181), (2366, 361646), (2821, 303316), (3211, 266476), (3458, 247442), (3991, 214396), (4123, 207532), (4298, 199082), (4732, 180823), (5239, 163324), (5642, 151658), (5833, 146692), (6422, 133238), (6916, 123721), (7657, 111748), (7982, 107198), (8246, 103766), (8596, 99541), (9517, 89908), (10478, 81662), (11284, 75829), (11666, 73346), (12844, 66619), (15314, 55874), (15964, 53599), (16492, 51883), (19034, 44954), (20956, 40831), (22477, 38068), (23332, 36673), (27937, 30628)]