31557157

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 34128000

約数和(自身を除く): 2570843

約数列:

[1, 19, 71, 149, 157, 1349, 2831, 2983, 10579, 11147, 23393, 201001, 211793, 444467, 1660903, 31557157]

約数ペア:

[(1, 31557157), (19, 1660903), (71, 444467), (149, 211793), (157, 201001), (1349, 23393), (2831, 11147), (2983, 10579)]