64870883

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 89376000

約数和(自身を除く): 24505117

約数列:

[1, 7, 11, 19, 29, 77, 121, 133, 139, 203, 209, 319, 551, 847, 973, 1463, 1529, 2233, 2299, 2641, 3509, 3857, 4031, 6061, 10703, 16093, 16819, 18487, 24563, 28217, 29051, 42427, 44341, 66671, 76589, 117733, 203357, 310387, 319561, 466697, 487751, 536123, 842479, 2236927, 3414257, 5897353, 9267269, 64870883]

約数ペア:

[(1, 64870883), (7, 9267269), (11, 5897353), (19, 3414257), (29, 2236927), (77, 842479), (121, 536123), (133, 487751), (139, 466697), (203, 319561), (209, 310387), (319, 203357), (551, 117733), (847, 76589), (973, 66671), (1463, 44341), (1529, 42427), (2233, 29051), (2299, 28217), (2641, 24563), (3509, 18487), (3857, 16819), (4031, 16093), (6061, 10703)]