80947384

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20359}}^1$

素因数の和:20443

約数の個数: 32

約数和(自身を含む): 175910400

約数和(自身を除く): 94963016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 20359, 40718, 81436, 142513, 162872, 285026, 570052, 1140104, 1445489, 2890978, 5781956, 10118423, 11563912, 20236846, 40473692, 80947384]

約数ペア:

[(1, 80947384), (2, 40473692), (4, 20236846), (7, 11563912), (8, 10118423), (14, 5781956), (28, 2890978), (56, 1445489), (71, 1140104), (142, 570052), (284, 285026), (497, 162872), (568, 142513), (994, 81436), (1988, 40718), (3976, 20359)]