206820008

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{203563}}^1$

素因数の和:203696

約数の個数: 16

約数和(自身を含む): 390842880

約数和(自身を除く): 184022872

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 203563, 407126, 814252, 1628504, 25852501, 51705002, 103410004, 206820008]

約数ペア:

[(1, 206820008), (2, 103410004), (4, 51705002), (8, 25852501), (127, 1628504), (254, 814252), (508, 407126), (1016, 203563)]