318461

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 16

約数和(自身を含む): 399168

約数和(自身を除く): 80707

約数列:

[1, 11, 13, 17, 131, 143, 187, 221, 1441, 1703, 2227, 2431, 18733, 24497, 28951, 318461]

約数ペア:

[(1, 318461), (11, 28951), (13, 24497), (17, 18733), (131, 2431), (143, 2227), (187, 1703), (221, 1441)]