66988784

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:729

約数の個数: 40

約数和(自身を含む): 133071840

約数和(自身を除く): 66083056

約数列:

[1, 2, 4, 8, 16, 71, 109, 142, 218, 284, 436, 541, 568, 872, 1082, 1136, 1744, 2164, 4328, 7739, 8656, 15478, 30956, 38411, 58969, 61912, 76822, 117938, 123824, 153644, 235876, 307288, 471752, 614576, 943504, 4186799, 8373598, 16747196, 33494392, 66988784]

約数ペア:

[(1, 66988784), (2, 33494392), (4, 16747196), (8, 8373598), (16, 4186799), (71, 943504), (109, 614576), (142, 471752), (218, 307288), (284, 235876), (436, 153644), (541, 123824), (568, 117938), (872, 76822), (1082, 61912), (1136, 58969), (1744, 38411), (2164, 30956), (4328, 15478), (7739, 8656)]