128214290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{144061}}^1$

素因数の和:144157

約数の個数: 16

約数和(自身を含む): 233380440

約数和(自身を除く): 105166150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 144061, 288122, 720305, 1440610, 12821429, 25642858, 64107145, 128214290]

約数ペア:

[(1, 128214290), (2, 64107145), (5, 25642858), (10, 12821429), (89, 1440610), (178, 720305), (445, 288122), (890, 144061)]