43403984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{208673}}^1$

素因数の和:208694

約数の個数: 20

約数和(自身を含む): 90564516

約数和(自身を除く): 47160532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 208673, 417346, 834692, 1669384, 2712749, 3338768, 5425498, 10850996, 21701992, 43403984]

約数ペア:

[(1, 43403984), (2, 21701992), (4, 10850996), (8, 5425498), (13, 3338768), (16, 2712749), (26, 1669384), (52, 834692), (104, 417346), (208, 208673)]