205469456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{180871}}^1$

素因数の和:180950

約数の個数: 20

約数和(自身を含む): 403706304

約数和(自身を除く): 198236848

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 180871, 361742, 723484, 1446968, 2893936, 12841841, 25683682, 51367364, 102734728, 205469456]

約数ペア:

[(1, 205469456), (2, 102734728), (4, 51367364), (8, 25683682), (16, 12841841), (71, 2893936), (142, 1446968), (284, 723484), (568, 361742), (1136, 180871)]