3940216

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 8570880

約数和(自身を除く): 4630664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 991, 994, 1982, 1988, 3964, 3976, 6937, 7928, 13874, 27748, 55496, 70361, 140722, 281444, 492527, 562888, 985054, 1970108, 3940216]

約数ペア:

[(1, 3940216), (2, 1970108), (4, 985054), (7, 562888), (8, 492527), (14, 281444), (28, 140722), (56, 70361), (71, 55496), (142, 27748), (284, 13874), (497, 7928), (568, 6937), (991, 3976), (994, 3964), (1982, 1988)]