81902068

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{47507}}^1$

素因数の和:47942

約数の個数: 12

約数和(自身を含む): 143664192

約数和(自身を除く): 61762124

約数列:

[1, 2, 4, 431, 862, 1724, 47507, 95014, 190028, 20475517, 40951034, 81902068]

約数ペア:

[(1, 81902068), (2, 40951034), (4, 20475517), (431, 190028), (862, 95014), (1724, 47507)]