28178542

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{87511}}^1$

素因数の和:87543

約数の個数: 16

約数和(自身を含む): 50406912

約数和(自身を除く): 22228370

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 87511, 175022, 612577, 1225154, 2012753, 4025506, 14089271, 28178542]

約数ペア:

[(1, 28178542), (2, 14089271), (7, 4025506), (14, 2012753), (23, 1225154), (46, 612577), (161, 175022), (322, 87511)]