128571004910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{299002337}}^1$

素因数の和:299002387

約数の個数: 16

約数和(自身を含む): 236809851696

約数和(自身を除く): 108238846786

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 299002337, 598004674, 1495011685, 2990023370, 12857100491, 25714200982, 64285502455, 128571004910]

約数ペア:

[(1, 128571004910), (2, 64285502455), (5, 25714200982), (10, 12857100491), (43, 2990023370), (86, 1495011685), (215, 598004674), (430, 299002337)]