280082512

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{261271}}^1$

素因数の和:261346

約数の個数: 20

約数和(自身を含む): 550761376

約数和(自身を除く): 270678864

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 261271, 522542, 1045084, 2090168, 4180336, 17505157, 35010314, 70020628, 140041256, 280082512]

約数ペア:

[(1, 280082512), (2, 140041256), (4, 70020628), (8, 35010314), (16, 17505157), (67, 4180336), (134, 2090168), (268, 1045084), (536, 522542), (1072, 261271)]