81597808

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{11617}}^1$

素因数の和:12064

約数の個数: 20

約数和(自身を含む): 158469520

約数和(自身を除く): 76871712

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 11617, 23234, 46468, 92936, 185872, 5099863, 10199726, 20399452, 40798904, 81597808]

約数ペア:

[(1, 81597808), (2, 40798904), (4, 20399452), (8, 10199726), (16, 5099863), (439, 185872), (878, 92936), (1756, 46468), (3512, 23234), (7024, 11617)]