81109756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 175440384

約数和(自身を除く): 94330628

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 443, 503, 886, 1006, 1772, 2012, 3101, 3521, 5759, 6202, 6539, 7042, 11518, 12404, 13078, 14084, 23036, 26156, 40313, 45773, 80626, 91546, 161252, 183092, 222829, 445658, 891316, 1559803, 2896777, 3119606, 5793554, 6239212, 11587108, 20277439, 40554878, 81109756]

約数ペア:

[(1, 81109756), (2, 40554878), (4, 20277439), (7, 11587108), (13, 6239212), (14, 5793554), (26, 3119606), (28, 2896777), (52, 1559803), (91, 891316), (182, 445658), (364, 222829), (443, 183092), (503, 161252), (886, 91546), (1006, 80626), (1772, 45773), (2012, 40313), (3101, 26156), (3521, 23036), (5759, 14084), (6202, 13078), (6539, 12404), (7042, 11518)]