211340270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491489}}^1$

素因数の和:491539

約数の個数: 16

約数和(自身を含む): 389260080

約数和(自身を除く): 177919810

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 491489, 982978, 2457445, 4914890, 21134027, 42268054, 105670135, 211340270]

約数ペア:

[(1, 211340270), (2, 105670135), (5, 42268054), (10, 21134027), (43, 4914890), (86, 2457445), (215, 982978), (430, 491489)]