2156168

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 4670400

約数和(自身を除く): 2514232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 277, 278, 554, 556, 973, 1108, 1112, 1939, 1946, 2216, 3878, 3892, 7756, 7784, 15512, 38503, 77006, 154012, 269521, 308024, 539042, 1078084, 2156168]

約数ペア:

[(1, 2156168), (2, 1078084), (4, 539042), (7, 308024), (8, 269521), (14, 154012), (28, 77006), (56, 38503), (139, 15512), (277, 7784), (278, 7756), (554, 3892), (556, 3878), (973, 2216), (1108, 1946), (1112, 1939)]