856551865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 1123418016

約数和(自身を除く): 266866151

約数列:

[1, 5, 13, 65, 113, 277, 421, 565, 1385, 1469, 2105, 3601, 5473, 7345, 18005, 27365, 31301, 47573, 116617, 156505, 237865, 406913, 583085, 618449, 1516021, 2034565, 3092245, 7580105, 13177721, 65888605, 171310373, 856551865]

約数ペア:

[(1, 856551865), (5, 171310373), (13, 65888605), (65, 13177721), (113, 7580105), (277, 3092245), (421, 2034565), (565, 1516021), (1385, 618449), (1469, 583085), (2105, 406913), (3601, 237865), (5473, 156505), (7345, 116617), (18005, 47573), (27365, 31301)]