138673456

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{66161}}^1$

素因数の和:66300

約数の個数: 20

約数和(自身を含む): 270734904

約数和(自身を除く): 132061448

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 66161, 132322, 264644, 529288, 1058576, 8667091, 17334182, 34668364, 69336728, 138673456]

約数ペア:

[(1, 138673456), (2, 69336728), (4, 34668364), (8, 17334182), (16, 8667091), (131, 1058576), (262, 529288), (524, 264644), (1048, 132322), (2096, 66161)]