81105332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 183399552

約数和(自身を除く): 102294220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 154, 242, 259, 308, 407, 484, 518, 647, 814, 847, 1036, 1294, 1628, 1694, 2588, 2849, 3388, 4477, 4529, 5698, 7117, 8954, 9058, 11396, 14234, 17908, 18116, 23939, 28468, 31339, 47878, 49819, 62678, 78287, 95756, 99638, 125356, 156574, 167573, 199276, 263329, 313148, 335146, 526658, 548009, 670292, 1053316, 1096018, 1843303, 2192036, 2896619, 3686606, 5793238, 7373212, 11586476, 20276333, 40552666, 81105332]

約数ペア:

[(1, 81105332), (2, 40552666), (4, 20276333), (7, 11586476), (11, 7373212), (14, 5793238), (22, 3686606), (28, 2896619), (37, 2192036), (44, 1843303), (74, 1096018), (77, 1053316), (121, 670292), (148, 548009), (154, 526658), (242, 335146), (259, 313148), (308, 263329), (407, 199276), (484, 167573), (518, 156574), (647, 125356), (814, 99638), (847, 95756), (1036, 78287), (1294, 62678), (1628, 49819), (1694, 47878), (2588, 31339), (2849, 28468), (3388, 23939), (4477, 18116), (4529, 17908), (5698, 14234), (7117, 11396), (8954, 9058)]