81590642

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 142602240

約数和(自身を除く): 61011598

約数列:

[1, 2, 7, 14, 109, 127, 218, 254, 421, 763, 842, 889, 1526, 1778, 2947, 5894, 13843, 27686, 45889, 53467, 91778, 96901, 106934, 193802, 321223, 374269, 642446, 748538, 5827903, 11655806, 40795321, 81590642]

約数ペア:

[(1, 81590642), (2, 40795321), (7, 11655806), (14, 5827903), (109, 748538), (127, 642446), (218, 374269), (254, 321223), (421, 193802), (763, 106934), (842, 96901), (889, 91778), (1526, 53467), (1778, 45889), (2947, 27686), (5894, 13843)]