205123628

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{439}}^1\times {\mathrm{587}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 362208000

約数和(自身を除く): 157084372

約数列:

[1, 2, 4, 199, 398, 439, 587, 796, 878, 1174, 1756, 2348, 87361, 116813, 174722, 233626, 257693, 349444, 467252, 515386, 1030772, 51280907, 102561814, 205123628]

約数ペア:

[(1, 205123628), (2, 102561814), (4, 51280907), (199, 1030772), (398, 515386), (439, 467252), (587, 349444), (796, 257693), (878, 233626), (1174, 174722), (1756, 116813), (2348, 87361)]