2688016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3958

約数の個数: 20

約数和(自身を含む): 5330512

約数和(自身を除く): 2642496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 3907, 7814, 15628, 31256, 62512, 168001, 336002, 672004, 1344008, 2688016]

約数ペア:

[(1, 2688016), (2, 1344008), (4, 672004), (8, 336002), (16, 168001), (43, 62512), (86, 31256), (172, 15628), (344, 7814), (688, 3907)]