666421568

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2143}}^1$

素因数の和:2311

約数の個数: 56

約数和(自身を含む): 1365796608

約数和(自身を除く): 699375040

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 113, 172, 226, 344, 452, 688, 904, 1376, 1808, 2143, 2752, 3616, 4286, 4859, 7232, 8572, 9718, 17144, 19436, 34288, 38872, 68576, 77744, 92149, 137152, 155488, 184298, 242159, 310976, 368596, 484318, 737192, 968636, 1474384, 1937272, 2948768, 3874544, 5897536, 7749088, 10412837, 15498176, 20825674, 41651348, 83302696, 166605392, 333210784, 666421568]

約数ペア:

[(1, 666421568), (2, 333210784), (4, 166605392), (8, 83302696), (16, 41651348), (32, 20825674), (43, 15498176), (64, 10412837), (86, 7749088), (113, 5897536), (172, 3874544), (226, 2948768), (344, 1937272), (452, 1474384), (688, 968636), (904, 737192), (1376, 484318), (1808, 368596), (2143, 310976), (2752, 242159), (3616, 184298), (4286, 155488), (4859, 137152), (7232, 92149), (8572, 77744), (9718, 68576), (17144, 38872), (19436, 34288)]