81322876

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{278503}}^1$

素因数の和:278580

約数の個数: 12

約数和(自身を含む): 144265072

約数和(自身を除く): 62942196

約数列:

[1, 2, 4, 73, 146, 292, 278503, 557006, 1114012, 20330719, 40661438, 81322876]

約数ペア:

[(1, 81322876), (2, 40661438), (4, 20330719), (73, 1114012), (146, 557006), (292, 278503)]