25816878

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{20201}}^1$

素因数の和:20280

約数の個数: 24

約数和(自身を含む): 56727216

約数和(自身を除く): 30910338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 20201, 40402, 60603, 121206, 181809, 363618, 1434271, 2868542, 4302813, 8605626, 12908439, 25816878]

約数ペア:

[(1, 25816878), (2, 12908439), (3, 8605626), (6, 4302813), (9, 2868542), (18, 1434271), (71, 363618), (142, 181809), (213, 121206), (426, 60603), (639, 40402), (1278, 20201)]