291231017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{19597}}^1$

素因数の和:19808

約数の個数: 16

約数和(自身を含む): 364993152

約数和(自身を除く): 73762135

約数列:

[1, 7, 11, 77, 193, 1351, 2123, 14861, 19597, 137179, 215567, 1508969, 3782221, 26475547, 41604431, 291231017]

約数ペア:

[(1, 291231017), (7, 41604431), (11, 26475547), (77, 3782221), (193, 1508969), (1351, 215567), (2123, 137179), (14861, 19597)]