28138310

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{8501}}^1$

素因数の和:8839

約数の個数: 16

約数和(自身を含む): 50807952

約数和(自身を除く): 22669642

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 8501, 17002, 42505, 85010, 2813831, 5627662, 14069155, 28138310]

約数ペア:

[(1, 28138310), (2, 14069155), (5, 5627662), (10, 2813831), (331, 85010), (662, 42505), (1655, 17002), (3310, 8501)]