28206306

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1280

約数の個数: 40

約数和(自身を含む): 63662940

約数和(自身を除く): 35456634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1109, 1413, 2218, 2826, 3327, 4239, 6654, 8478, 9981, 12717, 19962, 25434, 29943, 59886, 89829, 174113, 179658, 348226, 522339, 1044678, 1567017, 3134034, 4701051, 9402102, 14103153, 28206306]

約数ペア:

[(1, 28206306), (2, 14103153), (3, 9402102), (6, 4701051), (9, 3134034), (18, 1567017), (27, 1044678), (54, 522339), (81, 348226), (157, 179658), (162, 174113), (314, 89829), (471, 59886), (942, 29943), (1109, 25434), (1413, 19962), (2218, 12717), (2826, 9981), (3327, 8478), (4239, 6654)]