81287354

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1\times {\mathrm{839}}^1$

素因数の和:1285

約数の個数: 16

約数和(自身を含む): 123197760

約数和(自身を除く): 41910406

約数列:

[1, 2, 193, 251, 386, 502, 839, 1678, 48443, 96886, 161927, 210589, 323854, 421178, 40643677, 81287354]

約数ペア:

[(1, 81287354), (2, 40643677), (193, 421178), (251, 323854), (386, 210589), (502, 161927), (839, 96886), (1678, 48443)]