172321919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{11717}}^1$

素因数の和:11926

約数の個数: 16

約数和(自身を含む): 215986176

約数和(自身を除く): 43664257

約数列:

[1, 7, 11, 77, 191, 1337, 2101, 11717, 14707, 82019, 128887, 902209, 2237947, 15665629, 24617417, 172321919]

約数ペア:

[(1, 172321919), (7, 24617417), (11, 15665629), (77, 2237947), (191, 902209), (1337, 128887), (2101, 82019), (11717, 14707)]