42857549

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 50198400

約数和(自身を除く): 7340851

約数列:

[1, 7, 53, 331, 349, 371, 2317, 2443, 17543, 18497, 115519, 122801, 129479, 808633, 6122507, 42857549]

約数ペア:

[(1, 42857549), (7, 6122507), (53, 808633), (331, 129479), (349, 122801), (371, 115519), (2317, 18497), (2443, 17543)]