80990567

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 103514112

約数和(自身を除く): 22523545

約数列:

[1, 7, 17, 23, 119, 127, 161, 233, 391, 889, 1631, 2159, 2737, 2921, 3961, 5359, 15113, 20447, 27727, 29591, 37513, 49657, 91103, 207137, 347599, 503047, 637721, 680593, 3521329, 4764151, 11570081, 80990567]

約数ペア:

[(1, 80990567), (7, 11570081), (17, 4764151), (23, 3521329), (119, 680593), (127, 637721), (161, 503047), (233, 347599), (391, 207137), (889, 91103), (1631, 49657), (2159, 37513), (2737, 29591), (2921, 27727), (3961, 20447), (5359, 15113)]