2621039905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{671201}}^1$

素因数の和:671288

約数の個数: 16

約数和(自身を含む): 3479511168

約数和(自身を除く): 858471263

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 671201, 3356005, 7383211, 36916055, 47655271, 238276355, 524207981, 2621039905]

約数ペア:

[(1, 2621039905), (5, 524207981), (11, 238276355), (55, 47655271), (71, 36916055), (355, 7383211), (781, 3356005), (3905, 671201)]