2978997215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{206803}}^1$

素因数の和:206918

約数の個数: 16

約数和(自身を含む): 3712545408

約数和(自身を除く): 733548193

約数列:

[1, 5, 43, 67, 215, 335, 2881, 14405, 206803, 1034015, 8892529, 13855801, 44462645, 69279005, 595799443, 2978997215]

約数ペア:

[(1, 2978997215), (5, 595799443), (43, 69279005), (67, 44462645), (215, 13855801), (335, 8892529), (2881, 1034015), (14405, 206803)]