668836864

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 88

約数和(自身を含む): 1393925120

約数和(自身を除く): 725088256

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 127, 128, 139, 148, 254, 256, 278, 296, 508, 512, 556, 592, 1016, 1024, 1112, 1184, 2032, 2224, 2368, 4064, 4448, 4699, 4736, 5143, 8128, 8896, 9398, 9472, 10286, 16256, 17653, 17792, 18796, 18944, 20572, 32512, 35306, 35584, 37592, 37888, 41144, 65024, 70612, 71168, 75184, 82288, 130048, 141224, 142336, 150368, 164576, 282448, 300736, 329152, 564896, 601472, 653161, 658304, 1129792, 1202944, 1306322, 1316608, 2259584, 2405888, 2612644, 2633216, 4519168, 4811776, 5225288, 5266432, 9038336, 10450576, 18076672, 20901152, 41802304, 83604608, 167209216, 334418432, 668836864]

約数ペア:

[(1, 668836864), (2, 334418432), (4, 167209216), (8, 83604608), (16, 41802304), (32, 20901152), (37, 18076672), (64, 10450576), (74, 9038336), (127, 5266432), (128, 5225288), (139, 4811776), (148, 4519168), (254, 2633216), (256, 2612644), (278, 2405888), (296, 2259584), (508, 1316608), (512, 1306322), (556, 1202944), (592, 1129792), (1016, 658304), (1024, 653161), (1112, 601472), (1184, 564896), (2032, 329152), (2224, 300736), (2368, 282448), (4064, 164576), (4448, 150368), (4699, 142336), (4736, 141224), (5143, 130048), (8128, 82288), (8896, 75184), (9398, 71168), (9472, 70612), (10286, 65024), (16256, 41144), (17653, 37888), (17792, 37592), (18796, 35584), (18944, 35306), (20572, 32512)]