128977436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{270961}}^1$

素因数の和:270989

約数の個数: 24

約数和(自身を含む): 273129696

約数和(自身を除く): 144152260

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 270961, 541922, 1083844, 1896727, 3793454, 4606337, 7586908, 9212674, 18425348, 32244359, 64488718, 128977436]

約数ペア:

[(1, 128977436), (2, 64488718), (4, 32244359), (7, 18425348), (14, 9212674), (17, 7586908), (28, 4606337), (34, 3793454), (68, 1896727), (119, 1083844), (238, 541922), (476, 270961)]