8070257

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:149

約数の個数: 18

約数和(自身を含む): 9430722

約数和(自身を除く): 1360465

約数列:

[1, 13, 17, 53, 169, 221, 689, 901, 2809, 2873, 8957, 11713, 36517, 47753, 152269, 474721, 620789, 8070257]

約数ペア:

[(1, 8070257), (13, 620789), (17, 474721), (53, 152269), (169, 47753), (221, 36517), (689, 11713), (901, 8957), (2809, 2873)]