28681430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{66701}}^1$

素因数の和:66751

約数の個数: 16

約数和(自身を含む): 52827984

約数和(自身を除く): 24146554

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 66701, 133402, 333505, 667010, 2868143, 5736286, 14340715, 28681430]

約数ペア:

[(1, 28681430), (2, 14340715), (5, 5736286), (10, 2868143), (43, 667010), (86, 333505), (215, 133402), (430, 66701)]