138979096

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{404009}}^1$

素因数の和:404058

約数の個数: 16

約数和(自身を含む): 266646600

約数和(自身を除く): 127667504

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 404009, 808018, 1616036, 3232072, 17372387, 34744774, 69489548, 138979096]

約数ペア:

[(1, 138979096), (2, 69489548), (4, 34744774), (8, 17372387), (43, 3232072), (86, 1616036), (172, 808018), (344, 404009)]