281532156784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4337}}^1\times {\mathrm{213533}}^1$

素因数の和:217897

約数の個数: 40

約数和(自身を含む): 574312505040

約数和(自身を除く): 292780348256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4337, 8674, 17348, 34696, 69392, 82403, 164806, 213533, 329612, 427066, 659224, 854132, 1318448, 1708264, 3416528, 4057127, 8114254, 16228508, 32457016, 64914032, 926092621, 1852185242, 3704370484, 7408740968, 14817481936, 17595759799, 35191519598, 70383039196, 140766078392, 281532156784]

約数ペア:

[(1, 281532156784), (2, 140766078392), (4, 70383039196), (8, 35191519598), (16, 17595759799), (19, 14817481936), (38, 7408740968), (76, 3704370484), (152, 1852185242), (304, 926092621), (4337, 64914032), (8674, 32457016), (17348, 16228508), (34696, 8114254), (69392, 4057127), (82403, 3416528), (164806, 1708264), (213533, 1318448), (329612, 854132), (427066, 659224)]