28757906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 18286894

約数列:

[1, 2, 19, 38, 53, 106, 109, 131, 218, 262, 1007, 2014, 2071, 2489, 4142, 4978, 5777, 6943, 11554, 13886, 14279, 28558, 109763, 131917, 219526, 263834, 271301, 542602, 756787, 1513574, 14378953, 28757906]

約数ペア:

[(1, 28757906), (2, 14378953), (19, 1513574), (38, 756787), (53, 542602), (106, 271301), (109, 263834), (131, 219526), (218, 131917), (262, 109763), (1007, 28558), (2014, 14279), (2071, 13886), (2489, 11554), (4142, 6943), (4978, 5777)]