25812578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 18700702

約数列:

[1, 2, 11, 22, 23, 46, 139, 253, 278, 367, 506, 734, 1529, 3058, 3197, 4037, 6394, 8074, 8441, 16882, 35167, 51013, 70334, 92851, 102026, 185702, 561143, 1122286, 1173299, 2346598, 12906289, 25812578]

約数ペア:

[(1, 25812578), (2, 12906289), (11, 2346598), (22, 1173299), (23, 1122286), (46, 561143), (139, 185702), (253, 102026), (278, 92851), (367, 70334), (506, 51013), (734, 35167), (1529, 16882), (3058, 8441), (3197, 8074), (4037, 6394)]