242489905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223493}}^1$

素因数の和:223536

約数の個数: 16

約数和(自身を含む): 343286784

約数和(自身を除く): 100796879

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 223493, 1117465, 1564451, 6928283, 7822255, 34641415, 48497981, 242489905]

約数ペア:

[(1, 242489905), (5, 48497981), (7, 34641415), (31, 7822255), (35, 6928283), (155, 1564451), (217, 1117465), (1085, 223493)]