27939890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{253999}}^1$

素因数の和:254017

約数の個数: 16

約数和(自身を含む): 54864000

約数和(自身を除く): 26924110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 253999, 507998, 1269995, 2539990, 2793989, 5587978, 13969945, 27939890]

約数ペア:

[(1, 27939890), (2, 13969945), (5, 5587978), (10, 2793989), (11, 2539990), (22, 1269995), (55, 507998), (110, 253999)]