28328144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136193}}^1$

素因数の和:136214

約数の個数: 20

約数和(自身を含む): 59108196

約数和(自身を除く): 30780052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136193, 272386, 544772, 1089544, 1770509, 2179088, 3541018, 7082036, 14164072, 28328144]

約数ペア:

[(1, 28328144), (2, 14164072), (4, 7082036), (8, 3541018), (13, 2179088), (16, 1770509), (26, 1089544), (52, 544772), (104, 272386), (208, 136193)]