78405228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 218050560

約数和(自身を除く): 139645332

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 508, 762, 1143, 1397, 1524, 1559, 2286, 2794, 3118, 4191, 4572, 4677, 5588, 6236, 8382, 9354, 12573, 14031, 16764, 17149, 18708, 25146, 28062, 34298, 50292, 51447, 56124, 68596, 102894, 154341, 197993, 205788, 308682, 395986, 593979, 617364, 791972, 1187958, 1781937, 2177923, 2375916, 3563874, 4355846, 6533769, 7127748, 8711692, 13067538, 19601307, 26135076, 39202614, 78405228]

約数ペア:

[(1, 78405228), (2, 39202614), (3, 26135076), (4, 19601307), (6, 13067538), (9, 8711692), (11, 7127748), (12, 6533769), (18, 4355846), (22, 3563874), (33, 2375916), (36, 2177923), (44, 1781937), (66, 1187958), (99, 791972), (127, 617364), (132, 593979), (198, 395986), (254, 308682), (381, 205788), (396, 197993), (508, 154341), (762, 102894), (1143, 68596), (1397, 56124), (1524, 51447), (1559, 50292), (2286, 34298), (2794, 28062), (3118, 25146), (4191, 18708), (4572, 17149), (4677, 16764), (5588, 14031), (6236, 12573), (8382, 9354)]