261131132017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{10885453}}^1$

素因数の和:10885632

約数の個数: 16

約数和(自身を含む): 313501075200

約数和(自身を除く): 52369943183

約数列:

[1, 7, 23, 149, 161, 1043, 3427, 23989, 10885453, 76198171, 250365419, 1621932497, 1752557933, 11353527479, 37304447431, 261131132017]

約数ペア:

[(1, 261131132017), (7, 37304447431), (23, 11353527479), (149, 1752557933), (161, 1621932497), (1043, 250365419), (3427, 76198171), (23989, 10885453)]