256433854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{129643}}^1$

素因数の和:129711

約数の個数: 16

約数和(自身を含む): 410712192

約数和(自身を除く): 154278338

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 129643, 259286, 2981789, 5574649, 5963578, 11149298, 128216927, 256433854]

約数ペア:

[(1, 256433854), (2, 128216927), (23, 11149298), (43, 5963578), (46, 5574649), (86, 2981789), (989, 259286), (1978, 129643)]