12748722

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 30019392

約数和(自身を除く): 17270670

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 421, 618, 721, 842, 1263, 1442, 2163, 2526, 2947, 4326, 5047, 5894, 8841, 10094, 15141, 17682, 20629, 30282, 41258, 43363, 61887, 86726, 123774, 130089, 260178, 303541, 607082, 910623, 1821246, 2124787, 4249574, 6374361, 12748722]

約数ペア:

[(1, 12748722), (2, 6374361), (3, 4249574), (6, 2124787), (7, 1821246), (14, 910623), (21, 607082), (42, 303541), (49, 260178), (98, 130089), (103, 123774), (147, 86726), (206, 61887), (294, 43363), (309, 41258), (421, 30282), (618, 20629), (721, 17682), (842, 15141), (1263, 10094), (1442, 8841), (2163, 5894), (2526, 5047), (2947, 4326)]