28878204

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 69768608

約数和(自身を除く): 40890404

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 193, 222, 337, 386, 444, 579, 674, 772, 1011, 1158, 1348, 2022, 2316, 4044, 7141, 12469, 14282, 21423, 24938, 28564, 37407, 42846, 49876, 65041, 74814, 85692, 130082, 149628, 195123, 260164, 390246, 780492, 2406517, 4813034, 7219551, 9626068, 14439102, 28878204]

約数ペア:

[(1, 28878204), (2, 14439102), (3, 9626068), (4, 7219551), (6, 4813034), (12, 2406517), (37, 780492), (74, 390246), (111, 260164), (148, 195123), (193, 149628), (222, 130082), (337, 85692), (386, 74814), (444, 65041), (579, 49876), (674, 42846), (772, 37407), (1011, 28564), (1158, 24938), (1348, 21423), (2022, 14282), (2316, 12469), (4044, 7141)]