257940348544

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{1523}}^1$

素因数の和:1906

約数の個数: 128

約数和(自身を含む): 530077680000

約数和(自身を除く): 272137331456

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 109, 122, 128, 199, 218, 244, 398, 436, 488, 796, 872, 976, 1523, 1592, 1744, 1952, 3046, 3184, 3488, 3904, 6092, 6368, 6649, 6976, 7808, 12139, 12184, 12736, 13298, 13952, 21691, 24278, 24368, 25472, 26596, 43382, 48556, 48736, 53192, 86764, 92903, 97112, 97472, 106384, 166007, 173528, 185806, 194224, 194944, 212768, 303077, 332014, 347056, 371612, 388448, 425536, 606154, 664028, 694112, 743224, 776896, 851072, 1212308, 1323151, 1328056, 1388224, 1486448, 1553792, 2424616, 2646302, 2656112, 2776448, 2972896, 4849232, 5292604, 5312224, 5945792, 9698464, 10126427, 10585208, 10624448, 11891584, 18487697, 19396928, 20252854, 21170416, 21248896, 33035393, 36975394, 38793856, 40505708, 42340832, 66070786, 73950788, 81011416, 84681664, 132141572, 147901576, 162022832, 169363328, 264283144, 295803152, 324045664, 528566288, 591606304, 648091328, 1057132576, 1183212608, 1296182656, 2015158973, 2114265152, 2366425216, 4030317946, 4228530304, 8060635892, 16121271784, 32242543568, 64485087136, 128970174272, 257940348544]

約数ペア:

[(1, 257940348544), (2, 128970174272), (4, 64485087136), (8, 32242543568), (16, 16121271784), (32, 8060635892), (61, 4228530304), (64, 4030317946), (109, 2366425216), (122, 2114265152), (128, 2015158973), (199, 1296182656), (218, 1183212608), (244, 1057132576), (398, 648091328), (436, 591606304), (488, 528566288), (796, 324045664), (872, 295803152), (976, 264283144), (1523, 169363328), (1592, 162022832), (1744, 147901576), (1952, 132141572), (3046, 84681664), (3184, 81011416), (3488, 73950788), (3904, 66070786), (6092, 42340832), (6368, 40505708), (6649, 38793856), (6976, 36975394), (7808, 33035393), (12139, 21248896), (12184, 21170416), (12736, 20252854), (13298, 19396928), (13952, 18487697), (21691, 11891584), (24278, 10624448), (24368, 10585208), (25472, 10126427), (26596, 9698464), (43382, 5945792), (48556, 5312224), (48736, 5292604), (53192, 4849232), (86764, 2972896), (92903, 2776448), (97112, 2656112), (97472, 2646302), (106384, 2424616), (166007, 1553792), (173528, 1486448), (185806, 1388224), (194224, 1328056), (194944, 1323151), (212768, 1212308), (303077, 851072), (332014, 776896), (347056, 743224), (371612, 694112), (388448, 664028), (425536, 606154)]