28998175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 39894768

約数和(自身を除く): 10896593

約数列:

[1, 5, 17, 25, 31, 71, 85, 155, 355, 425, 527, 775, 961, 1207, 1775, 2201, 2635, 4805, 6035, 11005, 13175, 16337, 24025, 30175, 37417, 55025, 68231, 81685, 187085, 341155, 408425, 935425, 1159927, 1705775, 5799635, 28998175]

約数ペア:

[(1, 28998175), (5, 5799635), (17, 1705775), (25, 1159927), (31, 935425), (71, 408425), (85, 341155), (155, 187085), (355, 81685), (425, 68231), (527, 55025), (775, 37417), (961, 30175), (1207, 24025), (1775, 16337), (2201, 13175), (2635, 11005), (4805, 6035)]