81994448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 166822656

約数和(自身を除く): 84828208

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 181, 184, 362, 368, 724, 1231, 1448, 2462, 2896, 4163, 4924, 8326, 9848, 16652, 19696, 28313, 33304, 56626, 66608, 113252, 222811, 226504, 445622, 453008, 891244, 1782488, 3564976, 5124653, 10249306, 20498612, 40997224, 81994448]

約数ペア:

[(1, 81994448), (2, 40997224), (4, 20498612), (8, 10249306), (16, 5124653), (23, 3564976), (46, 1782488), (92, 891244), (181, 453008), (184, 445622), (362, 226504), (368, 222811), (724, 113252), (1231, 66608), (1448, 56626), (2462, 33304), (2896, 28313), (4163, 19696), (4924, 16652), (8326, 9848)]