128978152

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 259153920

約数和(自身を除く): 130175768

約数列:

[1, 2, 4, 8, 37, 47, 73, 74, 94, 127, 146, 148, 188, 254, 292, 296, 376, 508, 584, 1016, 1739, 2701, 3431, 3478, 4699, 5402, 5969, 6862, 6956, 9271, 9398, 10804, 11938, 13724, 13912, 18542, 18796, 21608, 23876, 27448, 37084, 37592, 47752, 74168, 126947, 220853, 253894, 343027, 435737, 441706, 507788, 686054, 871474, 883412, 1015576, 1372108, 1742948, 1766824, 2744216, 3485896, 16122269, 32244538, 64489076, 128978152]

約数ペア:

[(1, 128978152), (2, 64489076), (4, 32244538), (8, 16122269), (37, 3485896), (47, 2744216), (73, 1766824), (74, 1742948), (94, 1372108), (127, 1015576), (146, 883412), (148, 871474), (188, 686054), (254, 507788), (292, 441706), (296, 435737), (376, 343027), (508, 253894), (584, 220853), (1016, 126947), (1739, 74168), (2701, 47752), (3431, 37592), (3478, 37084), (4699, 27448), (5402, 23876), (5969, 21608), (6862, 18796), (6956, 18542), (9271, 13912), (9398, 13724), (10804, 11938)]