406554416

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{128983}}^1$

素因数の和:129188

約数の個数: 20

約数和(自身を含む): 791703792

約数和(自身を除く): 385149376

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 128983, 257966, 515932, 1031864, 2063728, 25409651, 50819302, 101638604, 203277208, 406554416]

約数ペア:

[(1, 406554416), (2, 203277208), (4, 101638604), (8, 50819302), (16, 25409651), (197, 2063728), (394, 1031864), (788, 515932), (1576, 257966), (3152, 128983)]