81344176

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{4157}}^1$

素因数の和:5388

約数の個数: 20

約数和(自身を含む): 157771152

約数和(自身を除く): 76426976

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4157, 4892, 8314, 9784, 16628, 19568, 33256, 66512, 5084011, 10168022, 20336044, 40672088, 81344176]

約数ペア:

[(1, 81344176), (2, 40672088), (4, 20336044), (8, 10168022), (16, 5084011), (1223, 66512), (2446, 33256), (4157, 19568), (4892, 16628), (8314, 9784)]