261767574

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2663}}^1$

素因数の和:2841

約数の個数: 48

約数和(自身を含む): 585142272

約数和(自身を除く): 323374698

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 258, 381, 387, 762, 774, 1143, 2286, 2663, 5326, 5461, 7989, 10922, 15978, 16383, 23967, 32766, 47934, 49149, 98298, 114509, 229018, 338201, 343527, 676402, 687054, 1014603, 1030581, 2029206, 2061162, 3043809, 6087618, 14542643, 29085286, 43627929, 87255858, 130883787, 261767574]

約数ペア:

[(1, 261767574), (2, 130883787), (3, 87255858), (6, 43627929), (9, 29085286), (18, 14542643), (43, 6087618), (86, 3043809), (127, 2061162), (129, 2029206), (254, 1030581), (258, 1014603), (381, 687054), (387, 676402), (762, 343527), (774, 338201), (1143, 229018), (2286, 114509), (2663, 98298), (5326, 49149), (5461, 47934), (7989, 32766), (10922, 23967), (15978, 16383)]