839890852

素因数分解:

$2^2\times {\mathrm{491}}^1\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 1477476000

約数和(自身を除く): 637585148

約数列:

[1, 2, 4, 491, 499, 857, 982, 998, 1714, 1964, 1996, 3428, 245009, 420787, 427643, 490018, 841574, 855286, 980036, 1683148, 1710572, 209972713, 419945426, 839890852]

約数ペア:

[(1, 839890852), (2, 419945426), (4, 209972713), (491, 1710572), (499, 1683148), (857, 980036), (982, 855286), (998, 841574), (1714, 490018), (1964, 427643), (1996, 420787), (3428, 245009)]