12717290

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1549}}^1$

素因数の和:2377

約数の個数: 16

約数和(自身を含む): 22933800

約数和(自身を除く): 10216510

約数列:

[1, 2, 5, 10, 821, 1549, 1642, 3098, 4105, 7745, 8210, 15490, 1271729, 2543458, 6358645, 12717290]

約数ペア:

[(1, 12717290), (2, 6358645), (5, 2543458), (10, 1271729), (821, 15490), (1549, 8210), (1642, 7745), (3098, 4105)]