81859638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5399}}^1$

素因数の和:5449

約数の個数: 48

約数和(自身を含む): 197510400

約数和(自身を除く): 115650762

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 2166, 2527, 5054, 5399, 7581, 10798, 15162, 16197, 32394, 37793, 75586, 102581, 113379, 205162, 226758, 307743, 615486, 718067, 1436134, 1949039, 2154201, 3898078, 4308402, 5847117, 11694234, 13643273, 27286546, 40929819, 81859638]

約数ペア:

[(1, 81859638), (2, 40929819), (3, 27286546), (6, 13643273), (7, 11694234), (14, 5847117), (19, 4308402), (21, 3898078), (38, 2154201), (42, 1949039), (57, 1436134), (114, 718067), (133, 615486), (266, 307743), (361, 226758), (399, 205162), (722, 113379), (798, 102581), (1083, 75586), (2166, 37793), (2527, 32394), (5054, 16197), (5399, 15162), (7581, 10798)]