856551199

素因数分解:

$7^1\times {\mathrm{173}}^1\times {\mathrm{701}}^1\times {\mathrm{1009}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 986955840

約数和(自身を除く): 130404641

約数列:

[1, 7, 173, 701, 1009, 1211, 4907, 7063, 121273, 174557, 707309, 848911, 1221899, 4951163, 122364457, 856551199]

約数ペア:

[(1, 856551199), (7, 122364457), (173, 4951163), (701, 1221899), (1009, 848911), (1211, 707309), (4907, 174557), (7063, 121273)]