1781248

素因数分解:

$2^9\times 7^2\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 60

約数和(自身を含む): 4198392

約数和(自身を除く): 2417144

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, 1136, 1568, 1792, 1988, 2272, 3136, 3479, 3584, 3976, 4544, 6272, 6958, 7952, 9088, 12544, 13916, 15904, 18176, 25088, 27832, 31808, 36352, 55664, 63616, 111328, 127232, 222656, 254464, 445312, 890624, 1781248]

約数ペア:

[(1, 1781248), (2, 890624), (4, 445312), (7, 254464), (8, 222656), (14, 127232), (16, 111328), (28, 63616), (32, 55664), (49, 36352), (56, 31808), (64, 27832), (71, 25088), (98, 18176), (112, 15904), (128, 13916), (142, 12544), (196, 9088), (224, 7952), (256, 6958), (284, 6272), (392, 4544), (448, 3976), (497, 3584), (512, 3479), (568, 3136), (784, 2272), (896, 1988), (994, 1792), (1136, 1568)]