81310861

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 89128960

約数和(自身を除く): 7818099

約数列:

[1, 19, 31, 127, 589, 1087, 2413, 3937, 20653, 33697, 74803, 138049, 640243, 2622931, 4279519, 81310861]

約数ペア:

[(1, 81310861), (19, 4279519), (31, 2622931), (127, 640243), (589, 138049), (1087, 74803), (2413, 33697), (3937, 20653)]