52857815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 65239776

約数和(自身を除く): 12381961

約数列:

[1, 5, 41, 205, 401, 643, 2005, 3215, 16441, 26363, 82205, 131815, 257843, 1289215, 10571563, 52857815]

約数ペア:

[(1, 52857815), (5, 10571563), (41, 1289215), (205, 257843), (401, 131815), (643, 82205), (2005, 26363), (3215, 16441)]