2139995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 3132864

約数和(自身を除く): 992869

約数列:

[1, 5, 11, 13, 41, 55, 65, 73, 143, 205, 365, 451, 533, 715, 803, 949, 2255, 2665, 2993, 4015, 4745, 5863, 10439, 14965, 29315, 32923, 38909, 52195, 164615, 194545, 427999, 2139995]

約数ペア:

[(1, 2139995), (5, 427999), (11, 194545), (13, 164615), (41, 52195), (55, 38909), (65, 32923), (73, 29315), (143, 14965), (205, 10439), (365, 5863), (451, 4745), (533, 4015), (715, 2993), (803, 2665), (949, 2255)]