278324432

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{259631}}^1$

素因数の和:259706

約数の個数: 20

約数和(自身を含む): 547304256

約数和(自身を除く): 268979824

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 259631, 519262, 1038524, 2077048, 4154096, 17395277, 34790554, 69581108, 139162216, 278324432]

約数ペア:

[(1, 278324432), (2, 139162216), (4, 69581108), (8, 34790554), (16, 17395277), (67, 4154096), (134, 2077048), (268, 1038524), (536, 519262), (1072, 259631)]