647641014

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{687517}}^1$

素因数の和:687679

約数の個数: 16

約数和(自身を含む): 1303534128

約数和(自身を除く): 655893114

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 687517, 1375034, 2062551, 4125102, 107940169, 215880338, 323820507, 647641014]

約数ペア:

[(1, 647641014), (2, 323820507), (3, 215880338), (6, 107940169), (157, 4125102), (314, 2062551), (471, 1375034), (942, 687517)]