39967984

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:294

約数の個数: 60

約数和(自身を含む): 91076016

約数和(自身を除く): 51108032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 193, 301, 344, 386, 602, 688, 772, 1204, 1351, 1544, 1849, 2408, 2702, 3088, 3698, 4816, 5404, 7396, 8299, 10808, 12943, 14792, 16598, 21616, 25886, 29584, 33196, 51772, 58093, 66392, 103544, 116186, 132784, 207088, 232372, 356857, 464744, 713714, 929488, 1427428, 2497999, 2854856, 4995998, 5709712, 9991996, 19983992, 39967984]

約数ペア:

[(1, 39967984), (2, 19983992), (4, 9991996), (7, 5709712), (8, 4995998), (14, 2854856), (16, 2497999), (28, 1427428), (43, 929488), (56, 713714), (86, 464744), (112, 356857), (172, 232372), (193, 207088), (301, 132784), (344, 116186), (386, 103544), (602, 66392), (688, 58093), (772, 51772), (1204, 33196), (1351, 29584), (1544, 25886), (1849, 21616), (2408, 16598), (2702, 14792), (3088, 12943), (3698, 10808), (4816, 8299), (5404, 7396)]