12405904

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 27641088

約数和(自身を除く): 15235184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 431, 514, 862, 1028, 1724, 1799, 2056, 3017, 3448, 3598, 4112, 6034, 6896, 7196, 12068, 14392, 24136, 28784, 48272, 110767, 221534, 443068, 775369, 886136, 1550738, 1772272, 3101476, 6202952, 12405904]

約数ペア:

[(1, 12405904), (2, 6202952), (4, 3101476), (7, 1772272), (8, 1550738), (14, 886136), (16, 775369), (28, 443068), (56, 221534), (112, 110767), (257, 48272), (431, 28784), (514, 24136), (862, 14392), (1028, 12068), (1724, 7196), (1799, 6896), (2056, 6034), (3017, 4112), (3448, 3598)]