71988851

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1973}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 81865728

約数和(自身を除く): 9876877

約数列:

[1, 11, 31, 107, 341, 1177, 1973, 3317, 21703, 36487, 61163, 211111, 672793, 2322221, 6544441, 71988851]

約数ペア:

[(1, 71988851), (11, 6544441), (31, 2322221), (107, 672793), (341, 211111), (1177, 61163), (1973, 36487), (3317, 21703)]