2777776

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1396

約数の個数: 20

約数和(自身を含む): 5425000

約数和(自身を除く): 2647224

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 1249, 2224, 2498, 4996, 9992, 19984, 173611, 347222, 694444, 1388888, 2777776]

約数ペア:

[(1, 2777776), (2, 1388888), (4, 694444), (8, 347222), (16, 173611), (139, 19984), (278, 9992), (556, 4996), (1112, 2498), (1249, 2224)]