66931865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 110702592

約数和(自身を除く): 43770727

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 65, 77, 91, 143, 215, 301, 311, 385, 455, 473, 559, 715, 1001, 1505, 1555, 2177, 2365, 2795, 3311, 3421, 3913, 4043, 5005, 6149, 10885, 13373, 16555, 17105, 19565, 20215, 23947, 28301, 30745, 43043, 44473, 66865, 93611, 119735, 141505, 147103, 173849, 215215, 222365, 311311, 468055, 735515, 869245, 1029721, 1216943, 1556555, 1912339, 5148605, 6084715, 9561695, 13386373, 66931865]

約数ペア:

[(1, 66931865), (5, 13386373), (7, 9561695), (11, 6084715), (13, 5148605), (35, 1912339), (43, 1556555), (55, 1216943), (65, 1029721), (77, 869245), (91, 735515), (143, 468055), (215, 311311), (301, 222365), (311, 215215), (385, 173849), (455, 147103), (473, 141505), (559, 119735), (715, 93611), (1001, 66865), (1505, 44473), (1555, 43043), (2177, 30745), (2365, 28301), (2795, 23947), (3311, 20215), (3421, 19565), (3913, 17105), (4043, 16555), (5005, 13373), (6149, 10885)]