28407847

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 31360000

約数和(自身を除く): 2952153

約数列:

[1, 13, 79, 139, 199, 1027, 1807, 2587, 10981, 15721, 27661, 142753, 204373, 359593, 2185219, 28407847]

約数ペア:

[(1, 28407847), (13, 2185219), (79, 359593), (139, 204373), (199, 142753), (1027, 27661), (1807, 15721), (2587, 10981)]