208858013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 273235200

約数和(自身を除く): 64377187

約数列:

[1, 7, 13, 19, 91, 113, 133, 247, 791, 1069, 1469, 1729, 2147, 7483, 10283, 13897, 15029, 20311, 27911, 97279, 120797, 142177, 195377, 264043, 845579, 1570361, 1848301, 2295143, 10992527, 16066001, 29836859, 208858013]

約数ペア:

[(1, 208858013), (7, 29836859), (13, 16066001), (19, 10992527), (91, 2295143), (113, 1848301), (133, 1570361), (247, 845579), (791, 264043), (1069, 195377), (1469, 142177), (1729, 120797), (2147, 97279), (7483, 27911), (10283, 20311), (13897, 15029)]