85271408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{123941}}^1$

素因数の和:123992

約数の個数: 20

約数和(自身を含む): 169056888

約数和(自身を除く): 83785480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 123941, 247882, 495764, 991528, 1983056, 5329463, 10658926, 21317852, 42635704, 85271408]

約数ペア:

[(1, 85271408), (2, 42635704), (4, 21317852), (8, 10658926), (16, 5329463), (43, 1983056), (86, 991528), (172, 495764), (344, 247882), (688, 123941)]