208506508

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{10243}}^1$

素因数の和:10981

約数の個数: 24

約数和(自身を含む): 417627392

約数和(自身を除く): 209120884

約数列:

[1, 2, 4, 7, 14, 28, 727, 1454, 2908, 5089, 10178, 10243, 20356, 20486, 40972, 71701, 143402, 286804, 7446661, 14893322, 29786644, 52126627, 104253254, 208506508]

約数ペア:

[(1, 208506508), (2, 104253254), (4, 52126627), (7, 29786644), (14, 14893322), (28, 7446661), (727, 286804), (1454, 143402), (2908, 71701), (5089, 40972), (10178, 20486), (10243, 20356)]