131566127

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 182217600

約数和(自身を除く): 50651473

約数列:

[1, 7, 11, 19, 29, 49, 77, 133, 203, 209, 319, 443, 539, 551, 931, 1421, 1463, 2233, 3101, 3857, 4873, 6061, 8417, 10241, 12847, 15631, 21707, 26999, 34111, 42427, 58919, 89929, 92587, 141317, 238777, 244093, 296989, 412433, 629503, 648109, 989219, 1708651, 2685023, 4536763, 6924533, 11960557, 18795161, 131566127]

約数ペア:

[(1, 131566127), (7, 18795161), (11, 11960557), (19, 6924533), (29, 4536763), (49, 2685023), (77, 1708651), (133, 989219), (203, 648109), (209, 629503), (319, 412433), (443, 296989), (539, 244093), (551, 238777), (931, 141317), (1421, 92587), (1463, 89929), (2233, 58919), (3101, 42427), (3857, 34111), (4873, 26999), (6061, 21707), (8417, 15631), (10241, 12847)]