28009136

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{2731}}^1$

素因数の和:3380

約数の個数: 20

約数和(自身を含む): 54372264

約数和(自身を除く): 26363128

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 2731, 5128, 5462, 10256, 10924, 21848, 43696, 1750571, 3501142, 7002284, 14004568, 28009136]

約数ペア:

[(1, 28009136), (2, 14004568), (4, 7002284), (8, 3501142), (16, 1750571), (641, 43696), (1282, 21848), (2564, 10924), (2731, 10256), (5128, 5462)]