27781138

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25771}}^1$

素因数の和:25798

約数の個数: 24

約数和(自身を含む): 52884144

約数和(自身を除く): 25103006

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 25771, 51542, 180397, 283481, 360794, 566962, 1262779, 1984367, 2525558, 3968734, 13890569, 27781138]

約数ペア:

[(1, 27781138), (2, 13890569), (7, 3968734), (11, 2525558), (14, 1984367), (22, 1262779), (49, 566962), (77, 360794), (98, 283481), (154, 180397), (539, 51542), (1078, 25771)]