28366877

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 36082368

約数和(自身を除く): 7715491

約数列:

[1, 7, 11, 77, 107, 121, 313, 749, 847, 1177, 2191, 3443, 8239, 12947, 24101, 33491, 37873, 90629, 234437, 265111, 368401, 2578807, 4052411, 28366877]

約数ペア:

[(1, 28366877), (7, 4052411), (11, 2578807), (77, 368401), (107, 265111), (121, 234437), (313, 90629), (749, 37873), (847, 33491), (1177, 24101), (2191, 12947), (3443, 8239)]