30989896

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1109}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 66600000

約数和(自身を除く): 35610104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 998, 1109, 1996, 2218, 3493, 3992, 4436, 6986, 7763, 8872, 13972, 15526, 27944, 31052, 62104, 553391, 1106782, 2213564, 3873737, 4427128, 7747474, 15494948, 30989896]

約数ペア:

[(1, 30989896), (2, 15494948), (4, 7747474), (7, 4427128), (8, 3873737), (14, 2213564), (28, 1106782), (56, 553391), (499, 62104), (998, 31052), (1109, 27944), (1996, 15526), (2218, 13972), (3493, 8872), (3992, 7763), (4436, 6986)]