81158028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22469}}^1$

素因数の和:22526

約数の個数: 48

約数和(自身を含む): 221464320

約数和(自身を除く): 140306292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 22469, 44938, 67407, 89876, 134814, 157283, 269628, 314566, 471849, 629132, 943698, 966167, 1887396, 1932334, 2898501, 3864668, 5797002, 6763169, 11594004, 13526338, 20289507, 27052676, 40579014, 81158028]

約数ペア:

[(1, 81158028), (2, 40579014), (3, 27052676), (4, 20289507), (6, 13526338), (7, 11594004), (12, 6763169), (14, 5797002), (21, 3864668), (28, 2898501), (42, 1932334), (43, 1887396), (84, 966167), (86, 943698), (129, 629132), (172, 471849), (258, 314566), (301, 269628), (516, 157283), (602, 134814), (903, 89876), (1204, 67407), (1806, 44938), (3612, 22469)]