25981172

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1956

約数の個数: 36

約数和(自身を含む): 53663904

約数和(自身を除く): 27682732

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1867, 1988, 3479, 3734, 6958, 7468, 13069, 13916, 26138, 52276, 91483, 132557, 182966, 265114, 365932, 530228, 927899, 1855798, 3711596, 6495293, 12990586, 25981172]

約数ペア:

[(1, 25981172), (2, 12990586), (4, 6495293), (7, 3711596), (14, 1855798), (28, 927899), (49, 530228), (71, 365932), (98, 265114), (142, 182966), (196, 132557), (284, 91483), (497, 52276), (994, 26138), (1867, 13916), (1988, 13069), (3479, 7468), (3734, 6958)]