28637147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 37545984

約数和(自身を除く): 8908837

約数列:

[1, 7, 11, 41, 47, 77, 193, 287, 329, 451, 517, 1351, 1927, 2123, 3157, 3619, 7913, 9071, 13489, 14861, 21197, 55391, 63497, 87043, 99781, 148379, 371911, 609301, 698467, 2603377, 4091021, 28637147]

約数ペア:

[(1, 28637147), (7, 4091021), (11, 2603377), (41, 698467), (47, 609301), (77, 371911), (193, 148379), (287, 99781), (329, 87043), (451, 63497), (517, 55391), (1351, 21197), (1927, 14861), (2123, 13489), (3157, 9071), (3619, 7913)]