81139952

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2791}}^1$

素因数の和:2901

約数の個数: 40

約数和(自身を含む): 166179840

約数和(自身を除く): 85039888

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 1264, 1817, 2791, 3634, 5582, 7268, 11164, 14536, 22328, 29072, 44656, 64193, 128386, 220489, 256772, 440978, 513544, 881956, 1027088, 1763912, 3527824, 5071247, 10142494, 20284988, 40569976, 81139952]

約数ペア:

[(1, 81139952), (2, 40569976), (4, 20284988), (8, 10142494), (16, 5071247), (23, 3527824), (46, 1763912), (79, 1027088), (92, 881956), (158, 513544), (184, 440978), (316, 256772), (368, 220489), (632, 128386), (1264, 64193), (1817, 44656), (2791, 29072), (3634, 22328), (5582, 14536), (7268, 11164)]