206512304

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181789}}^1$

素因数の和:181868

約数の個数: 20

約数和(自身を含む): 405755280

約数和(自身を除く): 199242976

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 181789, 363578, 727156, 1454312, 2908624, 12907019, 25814038, 51628076, 103256152, 206512304]

約数ペア:

[(1, 206512304), (2, 103256152), (4, 51628076), (8, 25814038), (16, 12907019), (71, 2908624), (142, 1454312), (284, 727156), (568, 363578), (1136, 181789)]