25719421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 31901184

約数和(自身を除く): 6181763

約数列:

[1, 7, 13, 91, 137, 959, 1781, 2063, 12467, 14441, 26819, 187733, 282631, 1978417, 3674203, 25719421]

約数ペア:

[(1, 25719421), (7, 3674203), (13, 1978417), (91, 282631), (137, 187733), (959, 26819), (1781, 14441), (2063, 12467)]