28036414

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9491}}^1$

素因数の和:9711

約数の個数: 16

約数和(自身を含む): 48295296

約数和(自身を除く): 20258882

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 9491, 18982, 66437, 132874, 2002601, 4005202, 14018207, 28036414]

約数ペア:

[(1, 28036414), (2, 14018207), (7, 4005202), (14, 2002601), (211, 132874), (422, 66437), (1477, 18982), (2954, 9491)]