218218728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2507

約数の個数: 128

約数和(自身を含む): 688101120

約数和(自身を除く): 469882392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 41, 42, 52, 56, 78, 82, 84, 91, 104, 123, 156, 164, 168, 182, 246, 273, 287, 312, 328, 364, 492, 533, 546, 574, 728, 861, 984, 1066, 1092, 1148, 1599, 1722, 2132, 2184, 2296, 2437, 3198, 3444, 3731, 4264, 4874, 6396, 6888, 7311, 7462, 9748, 11193, 12792, 14622, 14924, 17059, 19496, 22386, 29244, 29848, 31681, 34118, 44772, 51177, 58488, 63362, 68236, 89544, 95043, 99917, 102354, 126724, 136472, 190086, 199834, 204708, 221767, 253448, 299751, 380172, 399668, 409416, 443534, 599502, 665301, 699419, 760344, 799336, 887068, 1199004, 1298921, 1330602, 1398838, 1774136, 2098257, 2398008, 2597842, 2661204, 2797676, 3896763, 4196514, 5195684, 5322408, 5595352, 7793526, 8393028, 9092447, 10391368, 15587052, 16786056, 18184894, 27277341, 31174104, 36369788, 54554682, 72739576, 109109364, 218218728]

約数ペア:

[(1, 218218728), (2, 109109364), (3, 72739576), (4, 54554682), (6, 36369788), (7, 31174104), (8, 27277341), (12, 18184894), (13, 16786056), (14, 15587052), (21, 10391368), (24, 9092447), (26, 8393028), (28, 7793526), (39, 5595352), (41, 5322408), (42, 5195684), (52, 4196514), (56, 3896763), (78, 2797676), (82, 2661204), (84, 2597842), (91, 2398008), (104, 2098257), (123, 1774136), (156, 1398838), (164, 1330602), (168, 1298921), (182, 1199004), (246, 887068), (273, 799336), (287, 760344), (312, 699419), (328, 665301), (364, 599502), (492, 443534), (533, 409416), (546, 399668), (574, 380172), (728, 299751), (861, 253448), (984, 221767), (1066, 204708), (1092, 199834), (1148, 190086), (1599, 136472), (1722, 126724), (2132, 102354), (2184, 99917), (2296, 95043), (2437, 89544), (3198, 68236), (3444, 63362), (3731, 58488), (4264, 51177), (4874, 44772), (6396, 34118), (6888, 31681), (7311, 29848), (7462, 29244), (9748, 22386), (11193, 19496), (12792, 17059), (14622, 14924)]