27438628

素因数分解:

$2^2\times 7^4\times {\mathrm{2857}}^1$

素因数の和:2889

約数の個数: 30

約数和(自身を含む): 56036806

約数和(自身を除く): 28598178

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 2857, 4802, 5714, 9604, 11428, 19999, 39998, 79996, 139993, 279986, 559972, 979951, 1959902, 3919804, 6859657, 13719314, 27438628]

約数ペア:

[(1, 27438628), (2, 13719314), (4, 6859657), (7, 3919804), (14, 1959902), (28, 979951), (49, 559972), (98, 279986), (196, 139993), (343, 79996), (686, 39998), (1372, 19999), (2401, 11428), (2857, 9604), (4802, 5714)]