258977776

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{82163}}^1$

素因数の和:82368

約数の個数: 20

約数和(自身を含む): 504322632

約数和(自身を除く): 245344856

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 82163, 164326, 328652, 657304, 1314608, 16186111, 32372222, 64744444, 129488888, 258977776]

約数ペア:

[(1, 258977776), (2, 129488888), (4, 64744444), (8, 32372222), (16, 16186111), (197, 1314608), (394, 657304), (788, 328652), (1576, 164326), (3152, 82163)]