25391686

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 38682000

約数和(自身を除く): 13290314

約数列:

[1, 2, 139, 149, 278, 298, 613, 1226, 20711, 41422, 85207, 91337, 170414, 182674, 12695843, 25391686]

約数ペア:

[(1, 25391686), (2, 12695843), (139, 182674), (149, 170414), (278, 91337), (298, 85207), (613, 41422), (1226, 20711)]