678756408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 1925130240

約数和(自身を除く): 1246373832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 197, 248, 264, 341, 372, 394, 421, 591, 682, 744, 788, 842, 1023, 1182, 1263, 1364, 1576, 1684, 2046, 2167, 2364, 2526, 2728, 3368, 4092, 4334, 4631, 4728, 5052, 6107, 6501, 8184, 8668, 9262, 10104, 12214, 13002, 13051, 13893, 17336, 18321, 18524, 24428, 26004, 26102, 27786, 36642, 37048, 39153, 48856, 52008, 52204, 55572, 67177, 73284, 78306, 82937, 104408, 111144, 134354, 143561, 146568, 156612, 165874, 201531, 248811, 268708, 287122, 313224, 331748, 403062, 430683, 497622, 537416, 574244, 663496, 806124, 861366, 912307, 995244, 1148488, 1612248, 1722732, 1824614, 1990488, 2571047, 2736921, 3445464, 3649228, 5142094, 5473842, 7298456, 7713141, 10284188, 10947684, 15426282, 20568376, 21895368, 28281517, 30852564, 56563034, 61705128, 84844551, 113126068, 169689102, 226252136, 339378204, 678756408]

約数ペア:

[(1, 678756408), (2, 339378204), (3, 226252136), (4, 169689102), (6, 113126068), (8, 84844551), (11, 61705128), (12, 56563034), (22, 30852564), (24, 28281517), (31, 21895368), (33, 20568376), (44, 15426282), (62, 10947684), (66, 10284188), (88, 7713141), (93, 7298456), (124, 5473842), (132, 5142094), (186, 3649228), (197, 3445464), (248, 2736921), (264, 2571047), (341, 1990488), (372, 1824614), (394, 1722732), (421, 1612248), (591, 1148488), (682, 995244), (744, 912307), (788, 861366), (842, 806124), (1023, 663496), (1182, 574244), (1263, 537416), (1364, 497622), (1576, 430683), (1684, 403062), (2046, 331748), (2167, 313224), (2364, 287122), (2526, 268708), (2728, 248811), (3368, 201531), (4092, 165874), (4334, 156612), (4631, 146568), (4728, 143561), (5052, 134354), (6107, 111144), (6501, 104408), (8184, 82937), (8668, 78306), (9262, 73284), (10104, 67177), (12214, 55572), (13002, 52204), (13051, 52008), (13893, 48856), (17336, 39153), (18321, 37048), (18524, 36642), (24428, 27786), (26004, 26102)]