28195237

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{9433}}^1$

素因数の和:9508

約数の個数: 12

約数和(自身を含む): 33339756

約数和(自身を除く): 5144519

約数列:

[1, 7, 49, 61, 427, 2989, 9433, 66031, 462217, 575413, 4027891, 28195237]

約数ペア:

[(1, 28195237), (7, 4027891), (49, 575413), (61, 462217), (427, 66031), (2989, 9433)]