1285280128

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1381}}^1$

素因数の和:2067

約数の個数: 64

約数和(自身を含む): 2799545040

約数和(自身を除く): 1514264912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 661, 704, 1322, 1381, 1408, 2644, 2762, 5288, 5524, 7271, 10576, 11048, 14542, 15191, 21152, 22096, 29084, 30382, 42304, 44192, 58168, 60764, 84608, 88384, 116336, 121528, 176768, 232672, 243056, 465344, 486112, 912841, 930688, 972224, 1825682, 1944448, 3651364, 7302728, 10041251, 14605456, 20082502, 29210912, 40165004, 58421824, 80330008, 116843648, 160660016, 321320032, 642640064, 1285280128]

約数ペア:

[(1, 1285280128), (2, 642640064), (4, 321320032), (8, 160660016), (11, 116843648), (16, 80330008), (22, 58421824), (32, 40165004), (44, 29210912), (64, 20082502), (88, 14605456), (128, 10041251), (176, 7302728), (352, 3651364), (661, 1944448), (704, 1825682), (1322, 972224), (1381, 930688), (1408, 912841), (2644, 486112), (2762, 465344), (5288, 243056), (5524, 232672), (7271, 176768), (10576, 121528), (11048, 116336), (14542, 88384), (15191, 84608), (21152, 60764), (22096, 58168), (29084, 44192), (30382, 42304)]