1287328

素因数分解:

$2^5\times 7^2\times {\mathrm{821}}^1$

素因数の和:845

約数の個数: 36

約数和(自身を含む): 2951802

約数和(自身を除く): 1664474

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 821, 1568, 1642, 3284, 5747, 6568, 11494, 13136, 22988, 26272, 40229, 45976, 80458, 91952, 160916, 183904, 321832, 643664, 1287328]

約数ペア:

[(1, 1287328), (2, 643664), (4, 321832), (7, 183904), (8, 160916), (14, 91952), (16, 80458), (28, 45976), (32, 40229), (49, 26272), (56, 22988), (98, 13136), (112, 11494), (196, 6568), (224, 5747), (392, 3284), (784, 1642), (821, 1568)]