87961616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{77431}}^1$

素因数の和:77510

約数の個数: 20

約数和(自身を含む): 172828224

約数和(自身を除く): 84866608

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 77431, 154862, 309724, 619448, 1238896, 5497601, 10995202, 21990404, 43980808, 87961616]

約数ペア:

[(1, 87961616), (2, 43980808), (4, 21990404), (8, 10995202), (16, 5497601), (71, 1238896), (142, 619448), (284, 309724), (568, 154862), (1136, 77431)]