1389248

素因数分解:

$2^6\times 7^2\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 42

約数和(自身を含む): 3214116

約数和(自身を除く): 1824868

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 443, 448, 784, 886, 1568, 1772, 3101, 3136, 3544, 6202, 7088, 12404, 14176, 21707, 24808, 28352, 43414, 49616, 86828, 99232, 173656, 198464, 347312, 694624, 1389248]

約数ペア:

[(1, 1389248), (2, 694624), (4, 347312), (7, 198464), (8, 173656), (14, 99232), (16, 86828), (28, 49616), (32, 43414), (49, 28352), (56, 24808), (64, 21707), (98, 14176), (112, 12404), (196, 7088), (224, 6202), (392, 3544), (443, 3136), (448, 3101), (784, 1772), (886, 1568)]