28093175

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 39481848

約数和(自身を除く): 11388673

約数列:

[1, 5, 11, 25, 37, 55, 121, 185, 251, 275, 407, 605, 925, 1255, 2035, 2761, 3025, 4477, 6275, 9287, 10175, 13805, 22385, 30371, 46435, 69025, 102157, 111925, 151855, 232175, 510785, 759275, 1123727, 2553925, 5618635, 28093175]

約数ペア:

[(1, 28093175), (5, 5618635), (11, 2553925), (25, 1123727), (37, 759275), (55, 510785), (121, 232175), (185, 151855), (251, 111925), (275, 102157), (407, 69025), (605, 46435), (925, 30371), (1255, 22385), (2035, 13805), (2761, 10175), (3025, 9287), (4477, 6275)]