1977136

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 40

約数和(自身を含む): 4444160

約数和(自身を除く): 2467024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 139, 254, 278, 508, 556, 889, 973, 1016, 1112, 1778, 1946, 2032, 2224, 3556, 3892, 7112, 7784, 14224, 15568, 17653, 35306, 70612, 123571, 141224, 247142, 282448, 494284, 988568, 1977136]

約数ペア:

[(1, 1977136), (2, 988568), (4, 494284), (7, 282448), (8, 247142), (14, 141224), (16, 123571), (28, 70612), (56, 35306), (112, 17653), (127, 15568), (139, 14224), (254, 7784), (278, 7112), (508, 3892), (556, 3556), (889, 2224), (973, 2032), (1016, 1946), (1112, 1778)]