13999888

素因数分解:

$2^4\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2580

約数の個数: 40

約数和(自身を含む): 31644800

約数和(自身を除く): 17644912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2551, 2744, 5102, 5488, 10204, 17857, 20408, 35714, 40816, 71428, 124999, 142856, 249998, 285712, 499996, 874993, 999992, 1749986, 1999984, 3499972, 6999944, 13999888]

約数ペア:

[(1, 13999888), (2, 6999944), (4, 3499972), (7, 1999984), (8, 1749986), (14, 999992), (16, 874993), (28, 499996), (49, 285712), (56, 249998), (98, 142856), (112, 124999), (196, 71428), (343, 40816), (392, 35714), (686, 20408), (784, 17857), (1372, 10204), (2551, 5488), (2744, 5102)]