42781456

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{20411}}^1$

素因数の和:20550

約数の個数: 20

約数和(自身を含む): 83525904

約数和(自身を除く): 40744448

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 20411, 40822, 81644, 163288, 326576, 2673841, 5347682, 10695364, 21390728, 42781456]

約数ペア:

[(1, 42781456), (2, 21390728), (4, 10695364), (8, 5347682), (16, 2673841), (131, 326576), (262, 163288), (524, 81644), (1048, 40822), (2096, 20411)]