86872709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{5347}}^1$

素因数の和:5576

約数の個数: 16

約数和(自身を含む): 108842496

約数和(自身を除く): 21969787

約数列:

[1, 7, 11, 77, 211, 1477, 2321, 5347, 16247, 37429, 58817, 411719, 1128217, 7897519, 12410387, 86872709]

約数ペア:

[(1, 86872709), (7, 12410387), (11, 7897519), (77, 1128217), (211, 411719), (1477, 58817), (2321, 37429), (5347, 16247)]