129949956

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 339282944

約数和(自身を除く): 209332988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 127, 129, 172, 254, 258, 381, 387, 508, 516, 661, 762, 774, 1143, 1322, 1524, 1548, 1983, 2286, 2644, 3966, 4572, 5461, 5949, 7932, 10922, 11898, 16383, 21844, 23796, 28423, 32766, 49149, 56846, 65532, 83947, 85269, 98298, 113692, 167894, 170538, 196596, 251841, 255807, 335788, 341076, 503682, 511614, 755523, 1007364, 1023228, 1511046, 3022092, 3609721, 7219442, 10829163, 14438884, 21658326, 32487489, 43316652, 64974978, 129949956]

約数ペア:

[(1, 129949956), (2, 64974978), (3, 43316652), (4, 32487489), (6, 21658326), (9, 14438884), (12, 10829163), (18, 7219442), (36, 3609721), (43, 3022092), (86, 1511046), (127, 1023228), (129, 1007364), (172, 755523), (254, 511614), (258, 503682), (381, 341076), (387, 335788), (508, 255807), (516, 251841), (661, 196596), (762, 170538), (774, 167894), (1143, 113692), (1322, 98298), (1524, 85269), (1548, 83947), (1983, 65532), (2286, 56846), (2644, 49149), (3966, 32766), (4572, 28423), (5461, 23796), (5949, 21844), (7932, 16383), (10922, 11898)]