7984998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 19968000

約数和(自身を除く): 11983002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 499, 762, 889, 998, 1143, 1497, 1778, 2286, 2667, 2994, 3493, 4491, 5334, 6986, 8001, 8982, 10479, 16002, 20958, 31437, 62874, 63373, 126746, 190119, 380238, 443611, 570357, 887222, 1140714, 1330833, 2661666, 3992499, 7984998]

約数ペア:

[(1, 7984998), (2, 3992499), (3, 2661666), (6, 1330833), (7, 1140714), (9, 887222), (14, 570357), (18, 443611), (21, 380238), (42, 190119), (63, 126746), (126, 63373), (127, 62874), (254, 31437), (381, 20958), (499, 16002), (762, 10479), (889, 8982), (998, 8001), (1143, 6986), (1497, 5334), (1778, 4491), (2286, 3493), (2667, 2994)]