27870830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{214391}}^1$

素因数の和:214411

約数の個数: 16

約数和(自身を含む): 54026784

約数和(自身を除く): 26155954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 214391, 428782, 1071955, 2143910, 2787083, 5574166, 13935415, 27870830]

約数ペア:

[(1, 27870830), (2, 13935415), (5, 5574166), (10, 2787083), (13, 2143910), (26, 1071955), (65, 428782), (130, 214391)]