851142817

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{39827}}^1$

素因数の和:39948

約数の個数: 16

約数和(自身を含む): 1009400832

約数和(自身を除く): 158258015

約数列:

[1, 7, 43, 71, 301, 497, 3053, 21371, 39827, 278789, 1712561, 2827717, 11987927, 19794019, 121591831, 851142817]

約数ペア:

[(1, 851142817), (7, 121591831), (43, 19794019), (71, 11987927), (301, 2827717), (497, 1712561), (3053, 278789), (21371, 39827)]