28681444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9181}}^1$

素因数の和:9267

約数の個数: 24

約数和(自身を含む): 55532736

約数和(自身を除く): 26851292

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9181, 18362, 36724, 100991, 201982, 403964, 651851, 1303702, 2607404, 7170361, 14340722, 28681444]

約数ペア:

[(1, 28681444), (2, 14340722), (4, 7170361), (11, 2607404), (22, 1303702), (44, 651851), (71, 403964), (142, 201982), (284, 100991), (781, 36724), (1562, 18362), (3124, 9181)]