31039385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 40823640

約数和(自身を除く): 9784255

約数列:

[1, 5, 13, 65, 109, 169, 337, 545, 845, 1417, 1685, 4381, 7085, 18421, 21905, 36733, 56953, 92105, 183665, 284765, 477529, 2387645, 6207877, 31039385]

約数ペア:

[(1, 31039385), (5, 6207877), (13, 2387645), (65, 477529), (109, 284765), (169, 183665), (337, 92105), (545, 56953), (845, 36733), (1417, 21905), (1685, 18421), (4381, 7085)]