28432288

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20663}}^1$

素因数の和:20716

約数の個数: 24

約数和(自身を含む): 57280608

約数和(自身を除く): 28848320

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20663, 41326, 82652, 165304, 330608, 661216, 888509, 1777018, 3554036, 7108072, 14216144, 28432288]

約数ペア:

[(1, 28432288), (2, 14216144), (4, 7108072), (8, 3554036), (16, 1777018), (32, 888509), (43, 661216), (86, 330608), (172, 165304), (344, 82652), (688, 41326), (1376, 20663)]