81299185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{86951}}^1$

素因数の和:86984

約数の個数: 16

約数和(自身を含む): 112689792

約数和(自身を除く): 31390607

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 86951, 434755, 956461, 1478167, 4782305, 7390835, 16259837, 81299185]

約数ペア:

[(1, 81299185), (5, 16259837), (11, 7390835), (17, 4782305), (55, 1478167), (85, 956461), (187, 434755), (935, 86951)]