478225839

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13171}}^1$

素因数の和:13220

約数の個数: 48

約数和(自身を含む): 840900480

約数和(自身を除く): 362674641

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 12103, 13171, 36309, 39513, 92197, 171223, 250249, 276591, 513669, 645379, 750747, 1198561, 1751743, 1936137, 3253237, 3595683, 5255229, 8389927, 9759711, 12262201, 22772659, 25169781, 36786603, 68317977, 159408613, 478225839]

約数ペア:

[(1, 478225839), (3, 159408613), (7, 68317977), (13, 36786603), (19, 25169781), (21, 22772659), (39, 12262201), (49, 9759711), (57, 8389927), (91, 5255229), (133, 3595683), (147, 3253237), (247, 1936137), (273, 1751743), (399, 1198561), (637, 750747), (741, 645379), (931, 513669), (1729, 276591), (1911, 250249), (2793, 171223), (5187, 92197), (12103, 39513), (13171, 36309)]