27991436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10429}}^1$

素因数の和:10505

約数の個数: 24

約数和(自身を含む): 54319440

約数和(自身を除く): 26328004

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 10429, 20858, 41716, 114719, 229438, 458876, 636169, 1272338, 2544676, 6997859, 13995718, 27991436]

約数ペア:

[(1, 27991436), (2, 13995718), (4, 6997859), (11, 2544676), (22, 1272338), (44, 636169), (61, 458876), (122, 229438), (244, 114719), (671, 41716), (1342, 20858), (2684, 10429)]