28967939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 39857664

約数和(自身を除く): 10889725

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 673, 1001, 3311, 3913, 4711, 6149, 7403, 8749, 28939, 43043, 51821, 61243, 96239, 202573, 318329, 376207, 673673, 2228303, 2633449, 4138277, 28967939]

約数ペア:

[(1, 28967939), (7, 4138277), (11, 2633449), (13, 2228303), (43, 673673), (77, 376207), (91, 318329), (143, 202573), (301, 96239), (473, 61243), (559, 51821), (673, 43043), (1001, 28939), (3311, 8749), (3913, 7403), (4711, 6149)]