28736084

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42509}}^1$

素因数の和:42539

約数の個数: 18

約数和(自身を含む): 54455310

約数和(自身を除く): 25719226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42509, 85018, 170036, 552617, 1105234, 2210468, 7184021, 14368042, 28736084]

約数ペア:

[(1, 28736084), (2, 14368042), (4, 7184021), (13, 2210468), (26, 1105234), (52, 552617), (169, 170036), (338, 85018), (676, 42509)]