25262586

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 56669184

約数和(自身を除く): 31406598

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 257, 258, 381, 387, 514, 762, 771, 774, 1143, 1542, 2286, 2313, 4626, 5461, 10922, 11051, 16383, 22102, 32639, 32766, 33153, 49149, 65278, 66306, 97917, 98298, 99459, 195834, 198918, 293751, 587502, 1403477, 2806954, 4210431, 8420862, 12631293, 25262586]

約数ペア:

[(1, 25262586), (2, 12631293), (3, 8420862), (6, 4210431), (9, 2806954), (18, 1403477), (43, 587502), (86, 293751), (127, 198918), (129, 195834), (254, 99459), (257, 98298), (258, 97917), (381, 66306), (387, 65278), (514, 49149), (762, 33153), (771, 32766), (774, 32639), (1143, 22102), (1542, 16383), (2286, 11051), (2313, 10922), (4626, 5461)]