320435994

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{253109}}^1$

素因数の和:253325

約数の個数: 16

約数和(自身を含む): 643911840

約数和(自身を除く): 323475846

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 253109, 506218, 759327, 1518654, 53405999, 106811998, 160217997, 320435994]

約数ペア:

[(1, 320435994), (2, 160217997), (3, 106811998), (6, 53405999), (211, 1518654), (422, 759327), (633, 506218), (1266, 253109)]