138988384

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{101009}}^1$

素因数の和:101062

約数の個数: 24

約数和(自身を含む): 279999720

約数和(自身を除く): 141011336

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 101009, 202018, 404036, 808072, 1616144, 3232288, 4343387, 8686774, 17373548, 34747096, 69494192, 138988384]

約数ペア:

[(1, 138988384), (2, 69494192), (4, 34747096), (8, 17373548), (16, 8686774), (32, 4343387), (43, 3232288), (86, 1616144), (172, 808072), (344, 404036), (688, 202018), (1376, 101009)]