217939295

素因数分解:

$5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{27431}}^1$

素因数の和:27670

約数の個数: 16

約数和(自身を含む): 300215808

約数和(自身を除く): 82276513

約数列:

[1, 5, 7, 35, 227, 1135, 1589, 7945, 27431, 137155, 192017, 960085, 6226837, 31134185, 43587859, 217939295]

約数ペア:

[(1, 217939295), (5, 43587859), (7, 31134185), (35, 6226837), (227, 960085), (1135, 192017), (1589, 137155), (7945, 27431)]