201804491

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{216761}}^1$

素因数の和:216794

約数の個数: 12

約数和(自身を含む): 247108680

約数和(自身を除く): 45304189

約数列:

[1, 7, 19, 49, 133, 931, 216761, 1517327, 4118459, 10621289, 28829213, 201804491]

約数ペア:

[(1, 201804491), (7, 28829213), (19, 10621289), (49, 4118459), (133, 1517327), (931, 216761)]