128672008

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{36307}}^1$

素因数の和:36756

約数の個数: 16

約数和(自身を含む): 241811280

約数和(自身を除く): 113139272

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 36307, 72614, 145228, 290456, 16084001, 32168002, 64336004, 128672008]

約数ペア:

[(1, 128672008), (2, 64336004), (4, 32168002), (8, 16084001), (443, 290456), (886, 145228), (1772, 72614), (3544, 36307)]