25333555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 35058240

約数和(自身を除く): 9724685

約数列:

[1, 5, 13, 19, 65, 73, 95, 247, 281, 365, 949, 1235, 1387, 1405, 3653, 4745, 5339, 6935, 18031, 18265, 20513, 26695, 69407, 90155, 102565, 266669, 347035, 389747, 1333345, 1948735, 5066711, 25333555]

約数ペア:

[(1, 25333555), (5, 5066711), (13, 1948735), (19, 1333345), (65, 389747), (73, 347035), (95, 266669), (247, 102565), (281, 90155), (365, 69407), (949, 26695), (1235, 20513), (1387, 18265), (1405, 18031), (3653, 6935), (4745, 5339)]