28091908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10193}}^1$

素因数の和:10263

約数の個数: 24

約数和(自身を含む): 53946648

約数和(自身を除く): 25854740

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 10193, 20386, 40772, 132509, 265018, 530036, 540229, 1080458, 2160916, 7022977, 14045954, 28091908]

約数ペア:

[(1, 28091908), (2, 14045954), (4, 7022977), (13, 2160916), (26, 1080458), (52, 540229), (53, 530036), (106, 265018), (212, 132509), (689, 40772), (1378, 20386), (2756, 10193)]