28428974

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{27817}}^1$

素因数の和:27899

約数の個数: 16

約数和(自身を含む): 49404768

約数和(自身を除く): 20975794

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 27817, 55634, 194719, 389438, 2030641, 4061282, 14214487, 28428974]

約数ペア:

[(1, 28428974), (2, 14214487), (7, 4061282), (14, 2030641), (73, 389438), (146, 194719), (511, 55634), (1022, 27817)]