338905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 486144

約数和(自身を除く): 147239

約数列:

[1, 5, 7, 23, 35, 115, 161, 421, 805, 2105, 2947, 9683, 14735, 48415, 67781, 338905]

約数ペア:

[(1, 338905), (5, 67781), (7, 48415), (23, 14735), (35, 9683), (115, 2947), (161, 2105), (421, 805)]