8959888

素因数分解:

$2^4\times 7^1\times {\mathrm{79999}}^1$

素因数の和:80014

約数の個数: 20

約数和(自身を含む): 19840000

約数和(自身を除く): 10880112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 79999, 159998, 319996, 559993, 639992, 1119986, 1279984, 2239972, 4479944, 8959888]

約数ペア:

[(1, 8959888), (2, 4479944), (4, 2239972), (7, 1279984), (8, 1119986), (14, 639992), (16, 559993), (28, 319996), (56, 159998), (112, 79999)]