28239224

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20887}}^1$

素因数の和:20919

約数の個数: 24

約数和(自身を含む): 57337560

約数和(自身を除く): 29098336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20887, 41774, 83548, 167096, 271531, 543062, 1086124, 2172248, 3529903, 7059806, 14119612, 28239224]

約数ペア:

[(1, 28239224), (2, 14119612), (4, 7059806), (8, 3529903), (13, 2172248), (26, 1086124), (52, 543062), (104, 271531), (169, 167096), (338, 83548), (676, 41774), (1352, 20887)]