81347964

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{821}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 198858240

約数和(自身を除く): 117510276

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 359, 718, 821, 1077, 1436, 1642, 2154, 2463, 3284, 4308, 4926, 8257, 9852, 16514, 18883, 24771, 33028, 37766, 49542, 56649, 75532, 99084, 113298, 226596, 294739, 589478, 884217, 1178956, 1768434, 3536868, 6778997, 13557994, 20336991, 27115988, 40673982, 81347964]

約数ペア:

[(1, 81347964), (2, 40673982), (3, 27115988), (4, 20336991), (6, 13557994), (12, 6778997), (23, 3536868), (46, 1768434), (69, 1178956), (92, 884217), (138, 589478), (276, 294739), (359, 226596), (718, 113298), (821, 99084), (1077, 75532), (1436, 56649), (1642, 49542), (2154, 37766), (2463, 33028), (3284, 24771), (4308, 18883), (4926, 16514), (8257, 9852)]