81844136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{503}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 171732960

約数和(自身を除く): 89888824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 503, 946, 1006, 1849, 1892, 2012, 3698, 3784, 4024, 5533, 7396, 11066, 14792, 20339, 21629, 22132, 40678, 43258, 44264, 81356, 86516, 162712, 173032, 237919, 475838, 930047, 951676, 1860094, 1903352, 3720188, 7440376, 10230517, 20461034, 40922068, 81844136]

約数ペア:

[(1, 81844136), (2, 40922068), (4, 20461034), (8, 10230517), (11, 7440376), (22, 3720188), (43, 1903352), (44, 1860094), (86, 951676), (88, 930047), (172, 475838), (344, 237919), (473, 173032), (503, 162712), (946, 86516), (1006, 81356), (1849, 44264), (1892, 43258), (2012, 40678), (3698, 22132), (3784, 21629), (4024, 20339), (5533, 14792), (7396, 11066)]