987790864

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{222877}}^1$

素因数の和:223162

約数の個数: 20

約数和(自身を含む): 1920762604

約数和(自身を除く): 932971740

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 222877, 445754, 891508, 1783016, 3566032, 61736929, 123473858, 246947716, 493895432, 987790864]

約数ペア:

[(1, 987790864), (2, 493895432), (4, 246947716), (8, 123473858), (16, 61736929), (277, 3566032), (554, 1783016), (1108, 891508), (2216, 445754), (4432, 222877)]