28198933

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 6222827

約数列:

[1, 7, 29, 31, 203, 217, 899, 4481, 6293, 31367, 129949, 138911, 909643, 972377, 4028419, 28198933]

約数ペア:

[(1, 28198933), (7, 4028419), (29, 972377), (31, 909643), (203, 138911), (217, 129949), (899, 31367), (4481, 6293)]