17982209

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 21938688

約数和(自身を除く): 3956479

約数列:

[1, 7, 17, 119, 137, 959, 1103, 2329, 7721, 16303, 18751, 131257, 151111, 1057777, 2568887, 17982209]

約数ペア:

[(1, 17982209), (7, 2568887), (17, 1057777), (119, 151111), (137, 131257), (959, 18751), (1103, 16303), (2329, 7721)]