2688642

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 6544512

約数和(自身を除く): 3855870

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 367, 407, 666, 734, 814, 1101, 1221, 2202, 2442, 3303, 3663, 4037, 6606, 7326, 8074, 12111, 13579, 24222, 27158, 36333, 40737, 72666, 81474, 122211, 149369, 244422, 298738, 448107, 896214, 1344321, 2688642]

約数ペア:

[(1, 2688642), (2, 1344321), (3, 896214), (6, 448107), (9, 298738), (11, 244422), (18, 149369), (22, 122211), (33, 81474), (37, 72666), (66, 40737), (74, 36333), (99, 27158), (111, 24222), (198, 13579), (222, 12111), (333, 8074), (367, 7326), (407, 6606), (666, 4037), (734, 3663), (814, 3303), (1101, 2442), (1221, 2202)]