1640394889

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 2116153728

約数和(自身を除く): 475758839

約数列:

[1, 7, 17, 29, 37, 119, 203, 259, 443, 493, 629, 841, 1073, 3101, 3451, 4403, 5887, 7511, 7531, 12847, 14297, 16391, 18241, 31117, 52717, 89929, 100079, 114737, 127687, 217819, 218399, 278647, 372563, 475339, 528989, 1528793, 1950529, 2607941, 3327373, 3702923, 6333571, 8080763, 13784831, 44334997, 56565341, 96493817, 234342127, 1640394889]

約数ペア:

[(1, 1640394889), (7, 234342127), (17, 96493817), (29, 56565341), (37, 44334997), (119, 13784831), (203, 8080763), (259, 6333571), (443, 3702923), (493, 3327373), (629, 2607941), (841, 1950529), (1073, 1528793), (3101, 528989), (3451, 475339), (4403, 372563), (5887, 278647), (7511, 218399), (7531, 217819), (12847, 127687), (14297, 114737), (16391, 100079), (18241, 89929), (31117, 52717)]