28465745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 14582191

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 385, 535, 691, 749, 1177, 3455, 3745, 4837, 5885, 7601, 8239, 24185, 38005, 41195, 53207, 73937, 266035, 369685, 517559, 813307, 2587795, 4066535, 5693149, 28465745]

約数ペア:

[(1, 28465745), (5, 5693149), (7, 4066535), (11, 2587795), (35, 813307), (55, 517559), (77, 369685), (107, 266035), (385, 73937), (535, 53207), (691, 41195), (749, 38005), (1177, 24185), (3455, 8239), (3745, 7601), (4837, 5885)]