12780548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 25958016

約数和(自身を除く): 13177468

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 73, 92, 146, 173, 253, 292, 346, 506, 692, 803, 1012, 1606, 1679, 1903, 3212, 3358, 3806, 3979, 6716, 7612, 7958, 12629, 15916, 18469, 25258, 36938, 43769, 50516, 73876, 87538, 138919, 175076, 277838, 290467, 555676, 580934, 1161868, 3195137, 6390274, 12780548]

約数ペア:

[(1, 12780548), (2, 6390274), (4, 3195137), (11, 1161868), (22, 580934), (23, 555676), (44, 290467), (46, 277838), (73, 175076), (92, 138919), (146, 87538), (173, 73876), (253, 50516), (292, 43769), (346, 36938), (506, 25258), (692, 18469), (803, 15916), (1012, 12629), (1606, 7958), (1679, 7612), (1903, 6716), (3212, 3979), (3358, 3806)]