209965734

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:826

約数の個数: 72

約数和(自身を含む): 504176400

約数和(自身を除く): 294210666

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 149, 198, 242, 298, 363, 447, 647, 726, 894, 1089, 1294, 1341, 1639, 1941, 2178, 2682, 3278, 3882, 4917, 5823, 7117, 9834, 11646, 14234, 14751, 18029, 21351, 29502, 36058, 42702, 54087, 64053, 78287, 96403, 108174, 128106, 156574, 162261, 192806, 234861, 289209, 324522, 469722, 578418, 704583, 867627, 1060433, 1409166, 1735254, 2120866, 3181299, 6362598, 9543897, 11664763, 19087794, 23329526, 34994289, 69988578, 104982867, 209965734]

約数ペア:

[(1, 209965734), (2, 104982867), (3, 69988578), (6, 34994289), (9, 23329526), (11, 19087794), (18, 11664763), (22, 9543897), (33, 6362598), (66, 3181299), (99, 2120866), (121, 1735254), (149, 1409166), (198, 1060433), (242, 867627), (298, 704583), (363, 578418), (447, 469722), (647, 324522), (726, 289209), (894, 234861), (1089, 192806), (1294, 162261), (1341, 156574), (1639, 128106), (1941, 108174), (2178, 96403), (2682, 78287), (3278, 64053), (3882, 54087), (4917, 42702), (5823, 36058), (7117, 29502), (9834, 21351), (11646, 18029), (14234, 14751)]