81401224

素因数分解:

$2^3\times {\mathrm{193}}^1\times {\mathrm{52721}}^1$

素因数の和:52920

約数の個数: 16

約数和(自身を含む): 153421020

約数和(自身を除く): 72019796

約数列:

[1, 2, 4, 8, 193, 386, 772, 1544, 52721, 105442, 210884, 421768, 10175153, 20350306, 40700612, 81401224]

約数ペア:

[(1, 81401224), (2, 40700612), (4, 20350306), (8, 10175153), (193, 421768), (386, 210884), (772, 105442), (1544, 52721)]