128791439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{1783}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 156192768

約数和(自身を除く): 27401329

約数列:

[1, 7, 17, 119, 607, 1783, 4249, 10319, 12481, 30311, 72233, 212177, 1082281, 7575967, 18398777, 128791439]

約数ペア:

[(1, 128791439), (7, 18398777), (17, 7575967), (119, 1082281), (607, 212177), (1783, 72233), (4249, 30311), (10319, 12481)]