28409647

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 33768000

約数和(自身を除く): 5358353

約数列:

[1, 7, 29, 203, 349, 401, 2443, 2807, 10121, 11629, 70847, 81403, 139949, 979643, 4058521, 28409647]

約数ペア:

[(1, 28409647), (7, 4058521), (29, 979643), (203, 139949), (349, 81403), (401, 70847), (2443, 11629), (2807, 10121)]