28069888

素因数分解:

$2^{12}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 104

約数和(自身を含む): 70770240

約数和(自身を除く): 42700352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 89, 112, 128, 154, 176, 178, 224, 256, 308, 352, 356, 448, 512, 616, 623, 704, 712, 896, 979, 1024, 1232, 1246, 1408, 1424, 1792, 1958, 2048, 2464, 2492, 2816, 2848, 3584, 3916, 4096, 4928, 4984, 5632, 5696, 6853, 7168, 7832, 9856, 9968, 11264, 11392, 13706, 14336, 15664, 19712, 19936, 22528, 22784, 27412, 28672, 31328, 39424, 39872, 45056, 45568, 54824, 62656, 78848, 79744, 91136, 109648, 125312, 157696, 159488, 182272, 219296, 250624, 315392, 318976, 364544, 438592, 501248, 637952, 877184, 1002496, 1275904, 1754368, 2004992, 2551808, 3508736, 4009984, 7017472, 14034944, 28069888]

約数ペア:

[(1, 28069888), (2, 14034944), (4, 7017472), (7, 4009984), (8, 3508736), (11, 2551808), (14, 2004992), (16, 1754368), (22, 1275904), (28, 1002496), (32, 877184), (44, 637952), (56, 501248), (64, 438592), (77, 364544), (88, 318976), (89, 315392), (112, 250624), (128, 219296), (154, 182272), (176, 159488), (178, 157696), (224, 125312), (256, 109648), (308, 91136), (352, 79744), (356, 78848), (448, 62656), (512, 54824), (616, 45568), (623, 45056), (704, 39872), (712, 39424), (896, 31328), (979, 28672), (1024, 27412), (1232, 22784), (1246, 22528), (1408, 19936), (1424, 19712), (1792, 15664), (1958, 14336), (2048, 13706), (2464, 11392), (2492, 11264), (2816, 9968), (2848, 9856), (3584, 7832), (3916, 7168), (4096, 6853), (4928, 5696), (4984, 5632)]