278319874938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1\times {\mathrm{25561}}^1$

素因数の和:27683

約数の個数: 64

約数和(自身を含む): 641364894720

約数和(自身を除く): 363045019782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 1979, 2751, 3958, 5502, 5937, 11874, 13853, 25561, 27706, 41559, 51122, 76683, 83118, 153366, 178927, 259249, 357854, 518498, 536781, 777747, 1073562, 1555494, 1814743, 3348491, 3629486, 5444229, 6696982, 10045473, 10888458, 20090946, 23439437, 46878874, 50585219, 70318311, 101170438, 140636622, 151755657, 303511314, 354096533, 708193066, 1062289599, 2124579198, 6626663689, 13253327378, 19879991067, 39759982134, 46386645823, 92773291646, 139159937469, 278319874938]

約数ペア:

[(1, 278319874938), (2, 139159937469), (3, 92773291646), (6, 46386645823), (7, 39759982134), (14, 19879991067), (21, 13253327378), (42, 6626663689), (131, 2124579198), (262, 1062289599), (393, 708193066), (786, 354096533), (917, 303511314), (1834, 151755657), (1979, 140636622), (2751, 101170438), (3958, 70318311), (5502, 50585219), (5937, 46878874), (11874, 23439437), (13853, 20090946), (25561, 10888458), (27706, 10045473), (41559, 6696982), (51122, 5444229), (76683, 3629486), (83118, 3348491), (153366, 1814743), (178927, 1555494), (259249, 1073562), (357854, 777747), (518498, 536781)]