28708504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 59169600

約数和(自身を除く): 30461096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 2347, 3058, 4694, 6116, 9388, 12232, 18776, 25817, 51634, 103268, 206536, 326233, 652466, 1304932, 2609864, 3588563, 7177126, 14354252, 28708504]

約数ペア:

[(1, 28708504), (2, 14354252), (4, 7177126), (8, 3588563), (11, 2609864), (22, 1304932), (44, 652466), (88, 326233), (139, 206536), (278, 103268), (556, 51634), (1112, 25817), (1529, 18776), (2347, 12232), (3058, 9388), (4694, 6116)]