28733278

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{15667}}^1$

素因数の和:15807

約数の個数: 16

約数和(自身を含む): 49636224

約数和(自身を除く): 20902946

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 15667, 31334, 109669, 219338, 2052377, 4104754, 14366639, 28733278]

約数ペア:

[(1, 28733278), (2, 14366639), (7, 4104754), (14, 2052377), (131, 219338), (262, 109669), (917, 31334), (1834, 15667)]