7886286

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 18285696

約数和(自身を除く): 10399410

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 443, 774, 886, 989, 1329, 1978, 2658, 2967, 3987, 5934, 7974, 8901, 10189, 17802, 19049, 20378, 30567, 38098, 57147, 61134, 91701, 114294, 171441, 183402, 342882, 438127, 876254, 1314381, 2628762, 3943143, 7886286]

約数ペア:

[(1, 7886286), (2, 3943143), (3, 2628762), (6, 1314381), (9, 876254), (18, 438127), (23, 342882), (43, 183402), (46, 171441), (69, 114294), (86, 91701), (129, 61134), (138, 57147), (207, 38098), (258, 30567), (387, 20378), (414, 19049), (443, 17802), (774, 10189), (886, 8901), (989, 7974), (1329, 5934), (1978, 3987), (2658, 2967)]