13288715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 18289152

約数和(自身を除く): 5000437

約数列:

[1, 5, 11, 41, 55, 71, 83, 205, 355, 415, 451, 781, 913, 2255, 2911, 3403, 3905, 4565, 5893, 14555, 17015, 29465, 32021, 37433, 64823, 160105, 187165, 241613, 324115, 1208065, 2657743, 13288715]

約数ペア:

[(1, 13288715), (5, 2657743), (11, 1208065), (41, 324115), (55, 241613), (71, 187165), (83, 160105), (205, 64823), (355, 37433), (415, 32021), (451, 29465), (781, 17015), (913, 14555), (2255, 5893), (2911, 4565), (3403, 3905)]