78271963

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7687

約数の個数: 24

約数和(自身を含む): 104569920

約数和(自身を除く): 26297957

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 7643, 10241, 53501, 84073, 145217, 374507, 588511, 1016519, 1597387, 4119577, 7115633, 11181709, 78271963]

約数ペア:

[(1, 78271963), (7, 11181709), (11, 7115633), (19, 4119577), (49, 1597387), (77, 1016519), (133, 588511), (209, 374507), (539, 145217), (931, 84073), (1463, 53501), (7643, 10241)]