28903810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222337}}^1$

素因数の和:222357

約数の個数: 16

約数和(自身を含む): 56029176

約数和(自身を除く): 27125366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222337, 444674, 1111685, 2223370, 2890381, 5780762, 14451905, 28903810]

約数ペア:

[(1, 28903810), (2, 14451905), (5, 5780762), (10, 2890381), (13, 2223370), (26, 1111685), (65, 444674), (130, 222337)]