81662584

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{15443}}^1$

素因数の和:16110

約数の個数: 16

約数和(自身を含む): 153358920

約数和(自身を除く): 71696336

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 5288, 15443, 30886, 61772, 123544, 10207823, 20415646, 40831292, 81662584]

約数ペア:

[(1, 81662584), (2, 40831292), (4, 20415646), (8, 10207823), (661, 123544), (1322, 61772), (2644, 30886), (5288, 15443)]