1309264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 2848032

約数和(自身を除く): 1538768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 173, 176, 344, 346, 473, 688, 692, 946, 1384, 1892, 1903, 2768, 3784, 3806, 7439, 7568, 7612, 14878, 15224, 29756, 30448, 59512, 81829, 119024, 163658, 327316, 654632, 1309264]

約数ペア:

[(1, 1309264), (2, 654632), (4, 327316), (8, 163658), (11, 119024), (16, 81829), (22, 59512), (43, 30448), (44, 29756), (86, 15224), (88, 14878), (172, 7612), (173, 7568), (176, 7439), (344, 3806), (346, 3784), (473, 2768), (688, 1903), (692, 1892), (946, 1384)]