28904526

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 46367154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 359, 378, 426, 497, 567, 639, 718, 994, 1077, 1134, 1278, 1491, 1917, 2154, 2513, 2982, 3231, 3834, 4473, 5026, 5751, 6462, 7539, 8946, 9693, 11502, 13419, 15078, 19386, 22617, 25489, 26838, 29079, 40257, 45234, 50978, 58158, 67851, 76467, 80514, 135702, 152934, 178423, 203553, 229401, 356846, 407106, 458802, 535269, 688203, 1070538, 1376406, 1605807, 2064609, 3211614, 4129218, 4817421, 9634842, 14452263, 28904526]

約数ペア:

[(1, 28904526), (2, 14452263), (3, 9634842), (6, 4817421), (7, 4129218), (9, 3211614), (14, 2064609), (18, 1605807), (21, 1376406), (27, 1070538), (42, 688203), (54, 535269), (63, 458802), (71, 407106), (81, 356846), (126, 229401), (142, 203553), (162, 178423), (189, 152934), (213, 135702), (359, 80514), (378, 76467), (426, 67851), (497, 58158), (567, 50978), (639, 45234), (718, 40257), (994, 29079), (1077, 26838), (1134, 25489), (1278, 22617), (1491, 19386), (1917, 15078), (2154, 13419), (2513, 11502), (2982, 9693), (3231, 8946), (3834, 7539), (4473, 6462), (5026, 5751)]