81440488

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{15401}}^1$

素因数の和:16068

約数の個数: 16

約数和(自身を含む): 152941860

約数和(自身を除く): 71501372

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 5288, 15401, 30802, 61604, 123208, 10180061, 20360122, 40720244, 81440488]

約数ペア:

[(1, 81440488), (2, 40720244), (4, 20360122), (8, 10180061), (661, 123208), (1322, 61604), (2644, 30802), (5288, 15401)]