258045214

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{43781}}^1$

素因数の和:44211

約数の個数: 16

約数和(自身を含む): 443424096

約数和(自身を除く): 185378882

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 43781, 87562, 306467, 612934, 18431801, 36863602, 129022607, 258045214]

約数ペア:

[(1, 258045214), (2, 129022607), (7, 36863602), (14, 18431801), (421, 612934), (842, 306467), (2947, 87562), (5894, 43781)]