208165784

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{388369}}^1$

素因数の和:388442

約数の個数: 16

約数和(自身を含む): 396137400

約数和(自身を除く): 187971616

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 388369, 776738, 1553476, 3106952, 26020723, 52041446, 104082892, 208165784]

約数ペア:

[(1, 208165784), (2, 104082892), (4, 52041446), (8, 26020723), (67, 3106952), (134, 1553476), (268, 776738), (536, 388369)]