211406978

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{5153}}^1$

素因数の和:5509

約数の個数: 16

約数和(自身を含む): 322661016

約数和(自身を除く): 111254038

約数列:

[1, 2, 73, 146, 281, 562, 5153, 10306, 20513, 41026, 376169, 752338, 1447993, 2895986, 105703489, 211406978]

約数ペア:

[(1, 211406978), (2, 105703489), (73, 2895986), (146, 1447993), (281, 752338), (562, 376169), (5153, 41026), (10306, 20513)]