28657586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{32789}}^1$

素因数の和:32833

約数の個数: 16

約数和(自身を含む): 47217600

約数和(自身を除く): 18560014

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 32789, 65578, 622991, 754147, 1245982, 1508294, 14328793, 28657586]

約数ペア:

[(1, 28657586), (2, 14328793), (19, 1508294), (23, 1245982), (38, 754147), (46, 622991), (437, 65578), (874, 32789)]