321356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 672000

約数和(自身を除く): 350644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 499, 644, 998, 1996, 3493, 6986, 11477, 13972, 22954, 45908, 80339, 160678, 321356]

約数ペア:

[(1, 321356), (2, 160678), (4, 80339), (7, 45908), (14, 22954), (23, 13972), (28, 11477), (46, 6986), (92, 3493), (161, 1996), (322, 998), (499, 644)]