128603903

素因数分解:

${\mathrm{31}}^2\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1046

約数の個数: 12

約数和(自身を含む): 133864344

約数和(自身を除く): 5260441

約数列:

[1, 31, 163, 821, 961, 5053, 25451, 133823, 156643, 788981, 4148513, 128603903]

約数ペア:

[(1, 128603903), (31, 4148513), (163, 788981), (821, 156643), (961, 133823), (5053, 25451)]