128776109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{6359}}^1$

素因数の和:6640

約数の個数: 16

約数和(自身を含む): 161187840

約数和(自身を除く): 32411731

約数列:

[1, 7, 11, 77, 263, 1841, 2893, 6359, 20251, 44513, 69949, 489643, 1672417, 11706919, 18396587, 128776109]

約数ペア:

[(1, 128776109), (7, 18396587), (11, 11706919), (77, 1672417), (263, 489643), (1841, 69949), (2893, 44513), (6359, 20251)]