840814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 16

約数和(自身を含む): 1379952

約数和(自身を除く): 539138

約数列:

[1, 2, 13, 26, 73, 146, 443, 886, 949, 1898, 5759, 11518, 32339, 64678, 420407, 840814]

約数ペア:

[(1, 840814), (2, 420407), (13, 64678), (26, 32339), (73, 11518), (146, 5759), (443, 1898), (886, 949)]