207848137

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 258508800

約数和(自身を除く): 50660663

約数列:

[1, 7, 17, 67, 119, 131, 199, 469, 917, 1139, 1393, 2227, 3383, 7973, 8777, 13333, 15589, 23681, 26069, 61439, 93331, 149209, 182483, 226661, 443173, 1044463, 1586627, 1746623, 3102211, 12226361, 29692591, 207848137]

約数ペア:

[(1, 207848137), (7, 29692591), (17, 12226361), (67, 3102211), (119, 1746623), (131, 1586627), (199, 1044463), (469, 443173), (917, 226661), (1139, 182483), (1393, 149209), (2227, 93331), (3383, 61439), (7973, 26069), (8777, 23681), (13333, 15589)]