1621000645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{415109}}^1$

素因数の和:415196

約数の個数: 16

約数和(自身を含む): 2151930240

約数和(自身を除く): 530929595

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 415109, 2075545, 4566199, 22830995, 29472739, 147363695, 324200129, 1621000645]

約数ペア:

[(1, 1621000645), (5, 324200129), (11, 147363695), (55, 29472739), (71, 22830995), (355, 4566199), (781, 2075545), (3905, 415109)]