128880728

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{147799}}^1$

素因数の和:147914

約数の個数: 16

約数和(自身を含む): 243870000

約数和(自身を除く): 114989272

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 147799, 295598, 591196, 1182392, 16110091, 32220182, 64440364, 128880728]

約数ペア:

[(1, 128880728), (2, 64440364), (4, 32220182), (8, 16110091), (109, 1182392), (218, 591196), (436, 295598), (872, 147799)]