28131128

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{66347}}^1$

素因数の和:66406

約数の個数: 16

約数和(自身を含む): 53741880

約数和(自身を除く): 25610752

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 66347, 132694, 265388, 530776, 3516391, 7032782, 14065564, 28131128]

約数ペア:

[(1, 28131128), (2, 14065564), (4, 7032782), (8, 3516391), (53, 530776), (106, 265388), (212, 132694), (424, 66347)]