678742864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{8147}}^1$

素因数の和:8323

約数の個数: 40

約数和(自身を含む): 1357913088

約数和(自身を除く): 679170224

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 254, 328, 508, 656, 1016, 2032, 5207, 8147, 10414, 16294, 20828, 32588, 41656, 65176, 83312, 130352, 334027, 668054, 1034669, 1336108, 2069338, 2672216, 4138676, 5344432, 8277352, 16554704, 42421429, 84842858, 169685716, 339371432, 678742864]

約数ペア:

[(1, 678742864), (2, 339371432), (4, 169685716), (8, 84842858), (16, 42421429), (41, 16554704), (82, 8277352), (127, 5344432), (164, 4138676), (254, 2672216), (328, 2069338), (508, 1336108), (656, 1034669), (1016, 668054), (2032, 334027), (5207, 130352), (8147, 83312), (10414, 65176), (16294, 41656), (20828, 32588)]