28753235

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{10399}}^1$

素因数の和:10490

約数の個数: 16

約数和(自身を含む): 39936000

約数和(自身を除く): 11182765

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 10399, 51995, 72793, 363965, 821521, 4107605, 5750647, 28753235]

約数ペア:

[(1, 28753235), (5, 5750647), (7, 4107605), (35, 821521), (79, 363965), (395, 72793), (553, 51995), (2765, 10399)]