28499968

素因数分解:

$2^{13}\times 7^2\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 84

約数和(自身を含む): 67235832

約数和(自身を除く): 38735864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 142, 196, 224, 256, 284, 392, 448, 497, 512, 568, 784, 896, 994, 1024, 1136, 1568, 1792, 1988, 2048, 2272, 3136, 3479, 3584, 3976, 4096, 4544, 6272, 6958, 7168, 7952, 8192, 9088, 12544, 13916, 14336, 15904, 18176, 25088, 27832, 28672, 31808, 36352, 50176, 55664, 57344, 63616, 72704, 100352, 111328, 127232, 145408, 200704, 222656, 254464, 290816, 401408, 445312, 508928, 581632, 890624, 1017856, 1781248, 2035712, 3562496, 4071424, 7124992, 14249984, 28499968]

約数ペア:

[(1, 28499968), (2, 14249984), (4, 7124992), (7, 4071424), (8, 3562496), (14, 2035712), (16, 1781248), (28, 1017856), (32, 890624), (49, 581632), (56, 508928), (64, 445312), (71, 401408), (98, 290816), (112, 254464), (128, 222656), (142, 200704), (196, 145408), (224, 127232), (256, 111328), (284, 100352), (392, 72704), (448, 63616), (497, 57344), (512, 55664), (568, 50176), (784, 36352), (896, 31808), (994, 28672), (1024, 27832), (1136, 25088), (1568, 18176), (1792, 15904), (1988, 14336), (2048, 13916), (2272, 12544), (3136, 9088), (3479, 8192), (3584, 7952), (3976, 7168), (4096, 6958), (4544, 6272)]