28591255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^2$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 43966152

約数和(自身を除く): 15374897

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 103, 245, 385, 515, 539, 721, 1133, 2695, 3605, 5047, 5665, 7931, 10609, 25235, 39655, 53045, 55517, 74263, 116699, 277585, 371315, 519841, 583495, 816893, 2599205, 4084465, 5718251, 28591255]

約数ペア:

[(1, 28591255), (5, 5718251), (7, 4084465), (11, 2599205), (35, 816893), (49, 583495), (55, 519841), (77, 371315), (103, 277585), (245, 116699), (385, 74263), (515, 55517), (539, 53045), (721, 39655), (1133, 25235), (2695, 10609), (3605, 7931), (5047, 5665)]