28420876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10589}}^1$

素因数の和:10665

約数の個数: 24

約数和(自身を含む): 55152720

約数和(自身を除く): 26731844

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 10589, 21178, 42356, 116479, 232958, 465916, 645929, 1291858, 2583716, 7105219, 14210438, 28420876]

約数ペア:

[(1, 28420876), (2, 14210438), (4, 7105219), (11, 2583716), (22, 1291858), (44, 645929), (61, 465916), (122, 232958), (244, 116479), (671, 42356), (1342, 21178), (2684, 10589)]