209211770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{486539}}^1$

素因数の和:486589

約数の個数: 16

約数和(自身を含む): 385339680

約数和(自身を除く): 176127910

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 486539, 973078, 2432695, 4865390, 20921177, 41842354, 104605885, 209211770]

約数ペア:

[(1, 209211770), (2, 104605885), (5, 41842354), (10, 20921177), (43, 4865390), (86, 2432695), (215, 973078), (430, 486539)]