199399810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{486341}}^1$

素因数の和:486389

約数の個数: 16

約数和(自身を含む): 367674552

約数和(自身を除く): 168274742

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 486341, 972682, 2431705, 4863410, 19939981, 39879962, 99699905, 199399810]

約数ペア:

[(1, 199399810), (2, 99699905), (5, 39879962), (10, 19939981), (41, 4863410), (82, 2431705), (205, 972682), (410, 486341)]