86720543

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{136139}}^1$

素因数の和:136166

約数の個数: 12

約数和(自身を含む): 108639720

約数和(自身を除く): 21919177

約数列:

[1, 7, 13, 49, 91, 637, 136139, 952973, 1769807, 6670811, 12388649, 86720543]

約数ペア:

[(1, 86720543), (7, 12388649), (13, 6670811), (49, 1769807), (91, 952973), (637, 136139)]