420172418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{21193}}^1$

素因数の和:21649

約数の個数: 16

約数和(自身を含む): 659218176

約数和(自身を除く): 239045758

約数列:

[1, 2, 23, 46, 431, 862, 9913, 19826, 21193, 42386, 487439, 974878, 9134183, 18268366, 210086209, 420172418]

約数ペア:

[(1, 420172418), (2, 210086209), (23, 18268366), (46, 9134183), (431, 974878), (862, 487439), (9913, 42386), (19826, 21193)]