28405391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{176431}}^1$

素因数の和:176461

約数の個数: 8

約数和(自身を含む): 33874944

約数和(自身を除く): 5469553

約数列:

[1, 7, 23, 161, 176431, 1235017, 4057913, 28405391]

約数ペア:

[(1, 28405391), (7, 4057913), (23, 1235017), (161, 176431)]