12111904

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 15406496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 389, 556, 778, 973, 1112, 1556, 1946, 2224, 2723, 3112, 3892, 4448, 5446, 6224, 7784, 10892, 12448, 15568, 21784, 31136, 43568, 54071, 87136, 108142, 216284, 378497, 432568, 756994, 865136, 1513988, 1730272, 3027976, 6055952, 12111904]

約数ペア:

[(1, 12111904), (2, 6055952), (4, 3027976), (7, 1730272), (8, 1513988), (14, 865136), (16, 756994), (28, 432568), (32, 378497), (56, 216284), (112, 108142), (139, 87136), (224, 54071), (278, 43568), (389, 31136), (556, 21784), (778, 15568), (973, 12448), (1112, 10892), (1556, 7784), (1946, 6224), (2224, 5446), (2723, 4448), (3112, 3892)]