1243139426

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1\times {\mathrm{5171}}^1$

素因数の和:6937

約数の個数: 16

約数和(自身を含む): 1892455488

約数和(自身を除く): 649316062

約数列:

[1, 2, 71, 142, 1693, 3386, 5171, 10342, 120203, 240406, 367141, 734282, 8754503, 17509006, 621569713, 1243139426]

約数ペア:

[(1, 1243139426), (2, 621569713), (71, 17509006), (142, 8754503), (1693, 734282), (3386, 367141), (5171, 240406), (10342, 120203)]