28974905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 9611335

約数列:

[1, 5, 19, 41, 43, 95, 173, 205, 215, 779, 817, 865, 1763, 3287, 3895, 4085, 7093, 7439, 8815, 16435, 33497, 35465, 37195, 134767, 141341, 167485, 304999, 673835, 706705, 1524995, 5794981, 28974905]

約数ペア:

[(1, 28974905), (5, 5794981), (19, 1524995), (41, 706705), (43, 673835), (95, 304999), (173, 167485), (205, 141341), (215, 134767), (779, 37195), (817, 35465), (865, 33497), (1763, 16435), (3287, 8815), (3895, 7439), (4085, 7093)]