320196877

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 442689408

約数和(自身を除く): 122492531

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 173, 301, 473, 559, 1001, 1211, 1849, 1903, 2249, 3311, 3913, 6149, 7439, 12943, 13321, 15743, 20339, 24037, 24739, 43043, 52073, 81829, 96707, 142373, 168259, 173173, 264407, 319877, 572803, 676949, 1063777, 1850849, 2239139, 3518647, 4158401, 7446439, 24630529, 29108807, 45742411, 320196877]

約数ペア:

[(1, 320196877), (7, 45742411), (11, 29108807), (13, 24630529), (43, 7446439), (77, 4158401), (91, 3518647), (143, 2239139), (173, 1850849), (301, 1063777), (473, 676949), (559, 572803), (1001, 319877), (1211, 264407), (1849, 173173), (1903, 168259), (2249, 142373), (3311, 96707), (3913, 81829), (6149, 52073), (7439, 43043), (12943, 24739), (13321, 24037), (15743, 20339)]