28785008

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1637}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 64183392

約数和(自身を除く): 35398384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 1637, 2198, 2512, 3274, 4396, 6548, 8792, 11459, 13096, 17584, 22918, 26192, 45836, 91672, 183344, 257009, 514018, 1028036, 1799063, 2056072, 3598126, 4112144, 7196252, 14392504, 28785008]

約数ペア:

[(1, 28785008), (2, 14392504), (4, 7196252), (7, 4112144), (8, 3598126), (14, 2056072), (16, 1799063), (28, 1028036), (56, 514018), (112, 257009), (157, 183344), (314, 91672), (628, 45836), (1099, 26192), (1256, 22918), (1637, 17584), (2198, 13096), (2512, 11459), (3274, 8792), (4396, 6548)]