261464346

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:836

約数の個数: 96

約数和(自身を含む): 670819968

約数和(自身を除く): 409355622

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 157, 198, 234, 286, 314, 429, 471, 647, 858, 942, 1287, 1294, 1413, 1727, 1941, 2041, 2574, 2826, 3454, 3882, 4082, 5181, 5823, 6123, 7117, 8411, 10362, 11646, 12246, 14234, 15543, 16822, 18369, 21351, 22451, 25233, 31086, 36738, 42702, 44902, 50466, 64053, 67353, 75699, 92521, 101579, 128106, 134706, 151398, 185042, 202059, 203158, 277563, 304737, 404118, 555126, 609474, 832689, 914211, 1117369, 1320527, 1665378, 1828422, 2234738, 2641054, 3352107, 3961581, 6704214, 7923162, 10056321, 11884743, 14525797, 20112642, 23769486, 29051594, 43577391, 87154782, 130732173, 261464346]

約数ペア:

[(1, 261464346), (2, 130732173), (3, 87154782), (6, 43577391), (9, 29051594), (11, 23769486), (13, 20112642), (18, 14525797), (22, 11884743), (26, 10056321), (33, 7923162), (39, 6704214), (66, 3961581), (78, 3352107), (99, 2641054), (117, 2234738), (143, 1828422), (157, 1665378), (198, 1320527), (234, 1117369), (286, 914211), (314, 832689), (429, 609474), (471, 555126), (647, 404118), (858, 304737), (942, 277563), (1287, 203158), (1294, 202059), (1413, 185042), (1727, 151398), (1941, 134706), (2041, 128106), (2574, 101579), (2826, 92521), (3454, 75699), (3882, 67353), (4082, 64053), (5181, 50466), (5823, 44902), (6123, 42702), (7117, 36738), (8411, 31086), (10362, 25233), (11646, 22451), (12246, 21351), (14234, 18369), (15543, 16822)]