257466846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 128

約数和(自身を含む): 660602880

約数和(自身を除く): 403136034

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 79, 91, 94, 127, 141, 158, 182, 237, 254, 273, 282, 329, 381, 474, 546, 553, 611, 658, 762, 889, 987, 1027, 1106, 1222, 1651, 1659, 1778, 1833, 1974, 2054, 2667, 3081, 3302, 3318, 3666, 3713, 4277, 4953, 5334, 5969, 6162, 7189, 7426, 8554, 9906, 10033, 11139, 11557, 11938, 12831, 14378, 17907, 20066, 21567, 22278, 23114, 25662, 25991, 30099, 34671, 35814, 41783, 43134, 48269, 51982, 60198, 69342, 70231, 77597, 77973, 83566, 96538, 125349, 130429, 140462, 144807, 155194, 155946, 210693, 232791, 250698, 260858, 289614, 337883, 391287, 421386, 465582, 471551, 543179, 675766, 782574, 913003, 943102, 1013649, 1086358, 1414653, 1629537, 1826006, 2027298, 2739009, 2829306, 3259074, 3300857, 5478018, 6130163, 6601714, 9902571, 12260326, 18390489, 19805142, 36780978, 42911141, 85822282, 128733423, 257466846]

約数ペア:

[(1, 257466846), (2, 128733423), (3, 85822282), (6, 42911141), (7, 36780978), (13, 19805142), (14, 18390489), (21, 12260326), (26, 9902571), (39, 6601714), (42, 6130163), (47, 5478018), (78, 3300857), (79, 3259074), (91, 2829306), (94, 2739009), (127, 2027298), (141, 1826006), (158, 1629537), (182, 1414653), (237, 1086358), (254, 1013649), (273, 943102), (282, 913003), (329, 782574), (381, 675766), (474, 543179), (546, 471551), (553, 465582), (611, 421386), (658, 391287), (762, 337883), (889, 289614), (987, 260858), (1027, 250698), (1106, 232791), (1222, 210693), (1651, 155946), (1659, 155194), (1778, 144807), (1833, 140462), (1974, 130429), (2054, 125349), (2667, 96538), (3081, 83566), (3302, 77973), (3318, 77597), (3666, 70231), (3713, 69342), (4277, 60198), (4953, 51982), (5334, 48269), (5969, 43134), (6162, 41783), (7189, 35814), (7426, 34671), (8554, 30099), (9906, 25991), (10033, 25662), (11139, 23114), (11557, 22278), (11938, 21567), (12831, 20066), (14378, 17907)]