209461028

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{111653}}^1$

素因数の和:111731

約数の個数: 24

約数和(自身を含む): 425178432

約数和(自身を除く): 215717404

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 111653, 223306, 446612, 781571, 1563142, 3126284, 7480751, 14961502, 29923004, 52365257, 104730514, 209461028]

約数ペア:

[(1, 209461028), (2, 104730514), (4, 52365257), (7, 29923004), (14, 14961502), (28, 7480751), (67, 3126284), (134, 1563142), (268, 781571), (469, 446612), (938, 223306), (1876, 111653)]