81970488

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1907}}^1$

素因数の和:2121

約数の個数: 64

約数和(自身を含む): 228960000

約数和(自身を除く): 146989512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 597, 796, 1194, 1592, 1791, 1907, 2388, 3582, 3814, 4776, 5373, 5721, 7164, 7628, 10746, 11442, 14328, 15256, 17163, 21492, 22884, 34326, 42984, 45768, 51489, 68652, 102978, 137304, 205956, 379493, 411912, 758986, 1138479, 1517972, 2276958, 3035944, 3415437, 4553916, 6830874, 9107832, 10246311, 13661748, 20492622, 27323496, 40985244, 81970488]

約数ペア:

[(1, 81970488), (2, 40985244), (3, 27323496), (4, 20492622), (6, 13661748), (8, 10246311), (9, 9107832), (12, 6830874), (18, 4553916), (24, 3415437), (27, 3035944), (36, 2276958), (54, 1517972), (72, 1138479), (108, 758986), (199, 411912), (216, 379493), (398, 205956), (597, 137304), (796, 102978), (1194, 68652), (1592, 51489), (1791, 45768), (1907, 42984), (2388, 34326), (3582, 22884), (3814, 21492), (4776, 17163), (5373, 15256), (5721, 14328), (7164, 11442), (7628, 10746)]