28508425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 10551575

約数列:

[1, 5, 11, 25, 55, 83, 275, 415, 913, 1249, 2075, 4565, 6245, 13739, 22825, 31225, 68695, 103667, 343475, 518335, 1140337, 2591675, 5701685, 28508425]

約数ペア:

[(1, 28508425), (5, 5701685), (11, 2591675), (25, 1140337), (55, 518335), (83, 343475), (275, 103667), (415, 68695), (913, 31225), (1249, 22825), (2075, 13739), (4565, 6245)]