28392130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218401}}^1$

素因数の和:218421

約数の個数: 16

約数和(自身を含む): 55037304

約数和(自身を除く): 26645174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218401, 436802, 1092005, 2184010, 2839213, 5678426, 14196065, 28392130]

約数ペア:

[(1, 28392130), (2, 14196065), (5, 5678426), (10, 2839213), (13, 2184010), (26, 1092005), (65, 436802), (130, 218401)]