231591239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 255951360

約数和(自身を除く): 24360121

約数列:

[1, 11, 137, 239, 643, 1507, 2629, 7073, 32743, 88091, 153677, 360173, 969001, 1690447, 21053749, 231591239]

約数ペア:

[(1, 231591239), (11, 21053749), (137, 1690447), (239, 969001), (643, 360173), (1507, 153677), (2629, 88091), (7073, 32743)]