129339728

素因数分解:

$2^4\times 7^1\times {\mathrm{1154819}}^1$

素因数の和:1154834

約数の個数: 20

約数和(自身を含む): 286395360

約数和(自身を除く): 157055632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1154819, 2309638, 4619276, 8083733, 9238552, 16167466, 18477104, 32334932, 64669864, 129339728]

約数ペア:

[(1, 129339728), (2, 64669864), (4, 32334932), (7, 18477104), (8, 16167466), (14, 9238552), (16, 8083733), (28, 4619276), (56, 2309638), (112, 1154819)]