26981276

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15797}}^1$

素因数の和:15869

約数の個数: 24

約数和(自身を含む): 54850656

約数和(自身を除く): 27869380

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 15797, 31594, 63188, 110579, 221158, 442316, 963617, 1927234, 3854468, 6745319, 13490638, 26981276]

約数ペア:

[(1, 26981276), (2, 13490638), (4, 6745319), (7, 3854468), (14, 1927234), (28, 963617), (61, 442316), (122, 221158), (244, 110579), (427, 63188), (854, 31594), (1708, 15797)]