2561188

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 5531904

約数和(自身を除く): 2970716

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 97, 161, 164, 194, 287, 322, 388, 574, 644, 679, 943, 1148, 1358, 1886, 2231, 2716, 3772, 3977, 4462, 6601, 7954, 8924, 13202, 15617, 15908, 26404, 27839, 31234, 55678, 62468, 91471, 111356, 182942, 365884, 640297, 1280594, 2561188]

約数ペア:

[(1, 2561188), (2, 1280594), (4, 640297), (7, 365884), (14, 182942), (23, 111356), (28, 91471), (41, 62468), (46, 55678), (82, 31234), (92, 27839), (97, 26404), (161, 15908), (164, 15617), (194, 13202), (287, 8924), (322, 7954), (388, 6601), (574, 4462), (644, 3977), (679, 3772), (943, 2716), (1148, 2231), (1358, 1886)]