51660665

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20789}}^1$

素因数の和:20872

約数の個数: 16

約数和(自身を含む): 71850240

約数和(自身を除く): 20189575

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 20789, 103945, 145523, 727615, 1476019, 7380095, 10332133, 51660665]

約数ペア:

[(1, 51660665), (5, 10332133), (7, 7380095), (35, 1476019), (71, 727615), (355, 145523), (497, 103945), (2485, 20789)]