25840639

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:219

約数の個数: 18

約数和(自身を含む): 29677088

約数和(自身を除く): 3836449

約数列:

[1, 11, 31, 83, 121, 341, 913, 2573, 3751, 6889, 10043, 28303, 75779, 213559, 311333, 833569, 2349149, 25840639]

約数ペア:

[(1, 25840639), (11, 2349149), (31, 833569), (83, 311333), (121, 213559), (341, 75779), (913, 28303), (2573, 10043), (3751, 6889)]