1285406948

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{7027}}^1$

素因数の和:7224

約数の個数: 48

約数和(自身を含む): 2644776960

約数和(自身を除く): 1359370012

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 139, 188, 278, 329, 556, 658, 973, 1316, 1946, 3892, 6533, 7027, 13066, 14054, 26132, 28108, 45731, 49189, 91462, 98378, 182924, 196756, 330269, 660538, 976753, 1321076, 1953506, 2311883, 3907012, 4623766, 6837271, 9247532, 13674542, 27349084, 45907391, 91814782, 183629564, 321351737, 642703474, 1285406948]

約数ペア:

[(1, 1285406948), (2, 642703474), (4, 321351737), (7, 183629564), (14, 91814782), (28, 45907391), (47, 27349084), (94, 13674542), (139, 9247532), (188, 6837271), (278, 4623766), (329, 3907012), (556, 2311883), (658, 1953506), (973, 1321076), (1316, 976753), (1946, 660538), (3892, 330269), (6533, 196756), (7027, 182924), (13066, 98378), (14054, 91462), (26132, 49189), (28108, 45731)]