208812016

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 486843840

約数和(自身を除く): 278031824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 41, 56, 74, 82, 112, 148, 164, 259, 287, 296, 328, 518, 574, 592, 656, 1036, 1148, 1229, 1517, 2072, 2296, 2458, 3034, 4144, 4592, 4916, 6068, 8603, 9832, 10619, 12136, 17206, 19664, 21238, 24272, 34412, 42476, 45473, 50389, 68824, 84952, 90946, 100778, 137648, 169904, 181892, 201556, 318311, 352723, 363784, 403112, 636622, 705446, 727568, 806224, 1273244, 1410892, 1864393, 2546488, 2821784, 3728786, 5092976, 5643568, 7457572, 13050751, 14915144, 26101502, 29830288, 52203004, 104406008, 208812016]

約数ペア:

[(1, 208812016), (2, 104406008), (4, 52203004), (7, 29830288), (8, 26101502), (14, 14915144), (16, 13050751), (28, 7457572), (37, 5643568), (41, 5092976), (56, 3728786), (74, 2821784), (82, 2546488), (112, 1864393), (148, 1410892), (164, 1273244), (259, 806224), (287, 727568), (296, 705446), (328, 636622), (518, 403112), (574, 363784), (592, 352723), (656, 318311), (1036, 201556), (1148, 181892), (1229, 169904), (1517, 137648), (2072, 100778), (2296, 90946), (2458, 84952), (3034, 68824), (4144, 50389), (4592, 45473), (4916, 42476), (6068, 34412), (8603, 24272), (9832, 21238), (10619, 19664), (12136, 17206)]