667763968

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 1507000320

約数和(自身を除く): 839236352

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 47, 64, 76, 92, 94, 127, 128, 152, 184, 188, 254, 256, 304, 368, 376, 437, 508, 608, 736, 752, 874, 893, 1016, 1081, 1216, 1472, 1504, 1748, 1786, 2032, 2162, 2413, 2432, 2921, 2944, 3008, 3496, 3572, 4064, 4324, 4826, 4864, 5842, 5888, 5969, 6016, 6992, 7144, 8128, 8648, 9652, 11684, 11938, 12032, 13984, 14288, 16256, 17296, 19304, 20539, 23368, 23876, 27968, 28576, 32512, 34592, 38608, 41078, 46736, 47752, 55499, 55936, 57152, 69184, 77216, 82156, 93472, 95504, 110998, 111872, 113411, 114304, 137287, 138368, 154432, 164312, 186944, 191008, 221996, 226822, 228608, 274574, 276736, 308864, 328624, 373888, 382016, 443992, 453644, 549148, 617728, 657248, 747776, 764032, 887984, 907288, 1098296, 1314496, 1528064, 1775968, 1814576, 2196592, 2608453, 2628992, 3551936, 3629152, 4393184, 5216906, 5257984, 7103872, 7258304, 8786368, 10433812, 14207744, 14516608, 17572736, 20867624, 29033216, 35145472, 41735248, 83470496, 166940992, 333881984, 667763968]

約数ペア:

[(1, 667763968), (2, 333881984), (4, 166940992), (8, 83470496), (16, 41735248), (19, 35145472), (23, 29033216), (32, 20867624), (38, 17572736), (46, 14516608), (47, 14207744), (64, 10433812), (76, 8786368), (92, 7258304), (94, 7103872), (127, 5257984), (128, 5216906), (152, 4393184), (184, 3629152), (188, 3551936), (254, 2628992), (256, 2608453), (304, 2196592), (368, 1814576), (376, 1775968), (437, 1528064), (508, 1314496), (608, 1098296), (736, 907288), (752, 887984), (874, 764032), (893, 747776), (1016, 657248), (1081, 617728), (1216, 549148), (1472, 453644), (1504, 443992), (1748, 382016), (1786, 373888), (2032, 328624), (2162, 308864), (2413, 276736), (2432, 274574), (2921, 228608), (2944, 226822), (3008, 221996), (3496, 191008), (3572, 186944), (4064, 164312), (4324, 154432), (4826, 138368), (4864, 137287), (5842, 114304), (5888, 113411), (5969, 111872), (6016, 110998), (6992, 95504), (7144, 93472), (8128, 82156), (8648, 77216), (9652, 69184), (11684, 57152), (11938, 55936), (12032, 55499), (13984, 47752), (14288, 46736), (16256, 41078), (17296, 38608), (19304, 34592), (20539, 32512), (23368, 28576), (23876, 27968)]