149800304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{217733}}^1$

素因数の和:217784

約数の個数: 20

約数和(自身を含む): 296989176

約数和(自身を除く): 147188872

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 217733, 435466, 870932, 1741864, 3483728, 9362519, 18725038, 37450076, 74900152, 149800304]

約数ペア:

[(1, 149800304), (2, 74900152), (4, 37450076), (8, 18725038), (16, 9362519), (43, 3483728), (86, 1741864), (172, 870932), (344, 435466), (688, 217733)]