2280019

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 2918400

約数和(自身を除く): 638381

約数列:

[1, 7, 19, 31, 49, 79, 133, 217, 553, 589, 931, 1501, 1519, 2449, 3871, 4123, 10507, 17143, 28861, 46531, 73549, 120001, 325717, 2280019]

約数ペア:

[(1, 2280019), (7, 325717), (19, 120001), (31, 73549), (49, 46531), (79, 28861), (133, 17143), (217, 10507), (553, 4123), (589, 3871), (931, 2449), (1501, 1519)]