203440256

素因数分解:

$2^7\times {\mathrm{1589377}}^1$

素因数の和:1589391

約数の個数: 16

約数和(自身を含む): 405291390

約数和(自身を除く): 201851134

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1589377, 3178754, 6357508, 12715016, 25430032, 50860064, 101720128, 203440256]

約数ペア:

[(1, 203440256), (2, 101720128), (4, 50860064), (8, 25430032), (16, 12715016), (32, 6357508), (64, 3178754), (128, 1589377)]