643494656

素因数分解:

$2^8\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1266

約数の個数: 108

約数和(自身を含む): 1530216072

約数和(自身を除く): 886721416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 64, 86, 98, 112, 128, 172, 196, 224, 256, 301, 344, 392, 448, 602, 688, 784, 896, 1193, 1204, 1376, 1568, 1792, 2107, 2386, 2408, 2752, 3136, 4214, 4772, 4816, 5504, 6272, 8351, 8428, 9544, 9632, 11008, 12544, 16702, 16856, 19088, 19264, 33404, 33712, 38176, 38528, 51299, 58457, 66808, 67424, 76352, 77056, 102598, 116914, 133616, 134848, 152704, 205196, 233828, 267232, 269696, 305408, 359093, 410392, 467656, 534464, 539392, 718186, 820784, 935312, 1068928, 1436372, 1641568, 1870624, 2137856, 2513651, 2872744, 3283136, 3741248, 5027302, 5745488, 6566272, 7482496, 10054604, 11490976, 13132544, 14964992, 20109208, 22981952, 40218416, 45963904, 80436832, 91927808, 160873664, 321747328, 643494656]

約数ペア:

[(1, 643494656), (2, 321747328), (4, 160873664), (7, 91927808), (8, 80436832), (14, 45963904), (16, 40218416), (28, 22981952), (32, 20109208), (43, 14964992), (49, 13132544), (56, 11490976), (64, 10054604), (86, 7482496), (98, 6566272), (112, 5745488), (128, 5027302), (172, 3741248), (196, 3283136), (224, 2872744), (256, 2513651), (301, 2137856), (344, 1870624), (392, 1641568), (448, 1436372), (602, 1068928), (688, 935312), (784, 820784), (896, 718186), (1193, 539392), (1204, 534464), (1376, 467656), (1568, 410392), (1792, 359093), (2107, 305408), (2386, 269696), (2408, 267232), (2752, 233828), (3136, 205196), (4214, 152704), (4772, 134848), (4816, 133616), (5504, 116914), (6272, 102598), (8351, 77056), (8428, 76352), (9544, 67424), (9632, 66808), (11008, 58457), (12544, 51299), (16702, 38528), (16856, 38176), (19088, 33712), (19264, 33404)]