28748225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 39292128

約数和(自身を除く): 10543903

約数列:

[1, 5, 11, 25, 55, 107, 275, 535, 977, 1177, 2675, 4885, 5885, 10747, 24425, 29425, 53735, 104539, 268675, 522695, 1149929, 2613475, 5749645, 28748225]

約数ペア:

[(1, 28748225), (5, 5749645), (11, 2613475), (25, 1149929), (55, 522695), (107, 268675), (275, 104539), (535, 53735), (977, 29425), (1177, 24425), (2675, 10747), (4885, 5885)]