9913988

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{677}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 19895232

約数和(自身を除く): 9981244

約数列:

[1, 2, 4, 7, 14, 28, 523, 677, 1046, 1354, 2092, 2708, 3661, 4739, 7322, 9478, 14644, 18956, 354071, 708142, 1416284, 2478497, 4956994, 9913988]

約数ペア:

[(1, 9913988), (2, 4956994), (4, 2478497), (7, 1416284), (14, 708142), (28, 354071), (523, 18956), (677, 14644), (1046, 9478), (1354, 7322), (2092, 4739), (2708, 3661)]