28239805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{30203}}^1$

素因数の和:30236

約数の個数: 16

約数和(自身を含む): 39144384

約数和(自身を除く): 10904579

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 30203, 151015, 332233, 513451, 1661165, 2567255, 5647961, 28239805]

約数ペア:

[(1, 28239805), (5, 5647961), (11, 2567255), (17, 1661165), (55, 513451), (85, 332233), (187, 151015), (935, 30203)]