81592973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 109655040

約数和(自身を除く): 28062067

約数列:

[1, 7, 11, 19, 43, 77, 133, 209, 301, 473, 817, 1297, 1463, 3311, 5719, 8987, 9079, 14267, 24643, 55771, 62909, 99869, 172501, 271073, 390397, 613481, 1059649, 1897511, 4294367, 7417543, 11656139, 81592973]

約数ペア:

[(1, 81592973), (7, 11656139), (11, 7417543), (19, 4294367), (43, 1897511), (77, 1059649), (133, 613481), (209, 390397), (301, 271073), (473, 172501), (817, 99869), (1297, 62909), (1463, 55771), (3311, 24643), (5719, 14267), (8987, 9079)]