28152085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 11008715

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 349, 365, 949, 1105, 1241, 1745, 4537, 4745, 5933, 6205, 16133, 22685, 25477, 29665, 77129, 80665, 127385, 331201, 385645, 433109, 1656005, 2165545, 5630417, 28152085]

約数ペア:

[(1, 28152085), (5, 5630417), (13, 2165545), (17, 1656005), (65, 433109), (73, 385645), (85, 331201), (221, 127385), (349, 80665), (365, 77129), (949, 29665), (1105, 25477), (1241, 22685), (1745, 16133), (4537, 6205), (4745, 5933)]