261506814

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{67783}}^1$

素因数の和:68431

約数の個数: 16

約数和(自身を含む): 523834752

約数和(自身を除く): 262327938

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 67783, 135566, 203349, 406698, 43584469, 87168938, 130753407, 261506814]

約数ペア:

[(1, 261506814), (2, 130753407), (3, 87168938), (6, 43584469), (643, 406698), (1286, 203349), (1929, 135566), (3858, 67783)]