28339894

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:852

約数の個数: 24

約数和(自身を含む): 47056464

約数和(自身を除く): 18716570

約数列:

[1, 2, 11, 22, 121, 181, 242, 362, 647, 1294, 1991, 3982, 7117, 14234, 21901, 43802, 78287, 117107, 156574, 234214, 1288177, 2576354, 14169947, 28339894]

約数ペア:

[(1, 28339894), (2, 14169947), (11, 2576354), (22, 1288177), (121, 234214), (181, 156574), (242, 117107), (362, 78287), (647, 43802), (1294, 21901), (1991, 14234), (3982, 7117)]