71421581

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 96066432

約数和(自身を除く): 24644851

約数列:

[1, 7, 11, 37, 43, 53, 77, 121, 259, 301, 371, 407, 473, 583, 847, 1591, 1961, 2279, 2849, 3311, 4081, 4477, 5203, 6413, 11137, 13727, 15953, 17501, 21571, 25069, 31339, 36421, 44891, 84323, 122507, 150997, 175483, 192511, 237281, 275759, 590261, 927553, 1347577, 1660967, 1930313, 6492871, 10203083, 71421581]

約数ペア:

[(1, 71421581), (7, 10203083), (11, 6492871), (37, 1930313), (43, 1660967), (53, 1347577), (77, 927553), (121, 590261), (259, 275759), (301, 237281), (371, 192511), (407, 175483), (473, 150997), (583, 122507), (847, 84323), (1591, 44891), (1961, 36421), (2279, 31339), (2849, 25069), (3311, 21571), (4081, 17501), (4477, 15953), (5203, 13727), (6413, 11137)]