280419728

素因数分解:

$2^4\times {\mathrm{887}}^1\times {\mathrm{19759}}^1$

素因数の和:20654

約数の個数: 20

約数和(自身を含む): 543953280

約数和(自身を除く): 263533552

約数列:

[1, 2, 4, 8, 16, 887, 1774, 3548, 7096, 14192, 19759, 39518, 79036, 158072, 316144, 17526233, 35052466, 70104932, 140209864, 280419728]

約数ペア:

[(1, 280419728), (2, 140209864), (4, 70104932), (8, 35052466), (16, 17526233), (887, 316144), (1774, 158072), (3548, 79036), (7096, 39518), (14192, 19759)]