1287944

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 2798400

約数和(自身を除く): 1510456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 211, 218, 422, 436, 763, 844, 872, 1477, 1526, 1688, 2954, 3052, 5908, 6104, 11816, 22999, 45998, 91996, 160993, 183992, 321986, 643972, 1287944]

約数ペア:

[(1, 1287944), (2, 643972), (4, 321986), (7, 183992), (8, 160993), (14, 91996), (28, 45998), (56, 22999), (109, 11816), (211, 6104), (218, 5908), (422, 3052), (436, 2954), (763, 1688), (844, 1526), (872, 1477)]