28157178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{670409}}^1$

素因数の和:670421

約数の個数: 16

約数和(自身を含む): 64359360

約数和(自身を除く): 36202182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 670409, 1340818, 2011227, 4022454, 4692863, 9385726, 14078589, 28157178]

約数ペア:

[(1, 28157178), (2, 14078589), (3, 9385726), (6, 4692863), (7, 4022454), (14, 2011227), (21, 1340818), (42, 670409)]