12889891

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 15923520

約数和(自身を除く): 3033629

約数列:

[1, 7, 29, 47, 49, 193, 203, 329, 1351, 1363, 1421, 2303, 5597, 9071, 9457, 9541, 39179, 63497, 66787, 263059, 274253, 444479, 1841413, 12889891]

約数ペア:

[(1, 12889891), (7, 1841413), (29, 444479), (47, 274253), (49, 263059), (193, 66787), (203, 63497), (329, 39179), (1351, 9541), (1363, 9457), (1421, 9071), (2303, 5597)]