138425221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^2$

素因数の和:924

約数の個数: 12

約数和(自身を含む): 153500832

約数和(自身を除く): 15075611

約数列:

[1, 11, 71, 421, 781, 4631, 29891, 177241, 328801, 1949651, 12584111, 138425221]

約数ペア:

[(1, 138425221), (11, 12584111), (71, 1949651), (421, 328801), (781, 177241), (4631, 29891)]