28248275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 38539200

約数和(自身を除く): 10290925

約数列:

[1, 5, 11, 25, 55, 139, 275, 695, 739, 1529, 3475, 3695, 7645, 8129, 18475, 38225, 40645, 102721, 203225, 513605, 1129931, 2568025, 5649655, 28248275]

約数ペア:

[(1, 28248275), (5, 5649655), (11, 2568025), (25, 1129931), (55, 513605), (139, 203225), (275, 102721), (695, 40645), (739, 38225), (1529, 18475), (3475, 8129), (3695, 7645)]