199988432

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2777}}^1$

素因数の和:3435

約数の個数: 40

約数和(自身を含む): 443679936

約数和(自身を除く): 243691504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 1286, 2572, 2777, 4501, 5144, 5554, 9002, 10288, 11108, 18004, 19439, 22216, 36008, 38878, 44432, 72016, 77756, 155512, 311024, 1785611, 3571222, 7142444, 12499277, 14284888, 24998554, 28569776, 49997108, 99994216, 199988432]

約数ペア:

[(1, 199988432), (2, 99994216), (4, 49997108), (7, 28569776), (8, 24998554), (14, 14284888), (16, 12499277), (28, 7142444), (56, 3571222), (112, 1785611), (643, 311024), (1286, 155512), (2572, 77756), (2777, 72016), (4501, 44432), (5144, 38878), (5554, 36008), (9002, 22216), (10288, 19439), (11108, 18004)]