261777894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{20707}}^1$

素因数の和:20769

約数の個数: 48

約数和(自身を含む): 623227968

約数和(自身を除く): 361450074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321, 12642, 20707, 41414, 62121, 124242, 144949, 289898, 434847, 869694, 890401, 1014643, 1780802, 2029286, 2671203, 3043929, 5342406, 6087858, 6232807, 12465614, 18698421, 37396842, 43629649, 87259298, 130888947, 261777894]

約数ペア:

[(1, 261777894), (2, 130888947), (3, 87259298), (6, 43629649), (7, 37396842), (14, 18698421), (21, 12465614), (42, 6232807), (43, 6087858), (49, 5342406), (86, 3043929), (98, 2671203), (129, 2029286), (147, 1780802), (258, 1014643), (294, 890401), (301, 869694), (602, 434847), (903, 289898), (1806, 144949), (2107, 124242), (4214, 62121), (6321, 41414), (12642, 20707)]