81749584

素因数分解:

$2^4\times 7^1\times {\mathrm{729907}}^1$

素因数の和:729922

約数の個数: 20

約数和(自身を含む): 181017184

約数和(自身を除く): 99267600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 729907, 1459814, 2919628, 5109349, 5839256, 10218698, 11678512, 20437396, 40874792, 81749584]

約数ペア:

[(1, 81749584), (2, 40874792), (4, 20437396), (7, 11678512), (8, 10218698), (14, 5839256), (16, 5109349), (28, 2919628), (56, 1459814), (112, 729907)]