28199732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 54001920

約数和(自身を除く): 25802188

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1567, 1636, 3134, 4499, 6268, 8998, 17237, 17996, 34474, 68948, 640903, 1281806, 2563612, 7049933, 14099866, 28199732]

約数ペア:

[(1, 28199732), (2, 14099866), (4, 7049933), (11, 2563612), (22, 1281806), (44, 640903), (409, 68948), (818, 34474), (1567, 17996), (1636, 17237), (3134, 8998), (4499, 6268)]