138218510

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{32831}}^1$

素因数の和:33259

約数の個数: 16

約数和(自身を含む): 249391872

約数和(自身を除く): 111173362

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 32831, 65662, 164155, 328310, 13821851, 27643702, 69109255, 138218510]

約数ペア:

[(1, 138218510), (2, 69109255), (5, 27643702), (10, 13821851), (421, 328310), (842, 164155), (2105, 65662), (4210, 32831)]