81217232

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{220699}}^1$

素因数の和:220730

約数の個数: 20

約数和(自身を含む): 164200800

約数和(自身を除く): 82983568

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 220699, 441398, 882796, 1765592, 3531184, 5076077, 10152154, 20304308, 40608616, 81217232]

約数ペア:

[(1, 81217232), (2, 40608616), (4, 20304308), (8, 10152154), (16, 5076077), (23, 3531184), (46, 1765592), (92, 882796), (184, 441398), (368, 220699)]