647390256

素因数分解:

$2^4\times 3^1\times {\mathrm{13487297}}^1$

素因数の和:13487308

約数の個数: 20

約数和(自身を含む): 1672424952

約数和(自身を除く): 1025034696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13487297, 26974594, 40461891, 53949188, 80923782, 107898376, 161847564, 215796752, 323695128, 647390256]

約数ペア:

[(1, 647390256), (2, 323695128), (3, 215796752), (4, 161847564), (6, 107898376), (8, 80923782), (12, 53949188), (16, 40461891), (24, 26974594), (48, 13487297)]