287321485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 397393920

約数和(自身を除く): 110072435

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 473, 1333, 1705, 2365, 3919, 6665, 14663, 19595, 43109, 73315, 121489, 168517, 215545, 607445, 842585, 1336379, 1853687, 5224027, 6681895, 9268435, 26120135, 57464297, 287321485]

約数ペア:

[(1, 287321485), (5, 57464297), (11, 26120135), (31, 9268435), (43, 6681895), (55, 5224027), (155, 1853687), (215, 1336379), (341, 842585), (473, 607445), (1333, 215545), (1705, 168517), (2365, 121489), (3919, 73315), (6665, 43109), (14663, 19595)]