28259836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10529}}^1$

素因数の和:10605

約数の個数: 24

約数和(自身を含む): 54840240

約数和(自身を除く): 26580404

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 10529, 21058, 42116, 115819, 231638, 463276, 642269, 1284538, 2569076, 7064959, 14129918, 28259836]

約数ペア:

[(1, 28259836), (2, 14129918), (4, 7064959), (11, 2569076), (22, 1284538), (44, 642269), (61, 463276), (122, 231638), (244, 115819), (671, 42116), (1342, 21058), (2684, 10529)]