278312556512

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{971}}^1\times {\mathrm{64439}}^1$

素因数の和:65559

約数の個数: 48

約数和(自身を含む): 552446697600

約数和(自身を除く): 274134141088

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 971, 1112, 1942, 2224, 3884, 4448, 7768, 15536, 31072, 64439, 128878, 134969, 257756, 269938, 515512, 539876, 1031024, 1079752, 2062048, 2159504, 4319008, 8957021, 17914042, 35828084, 62570269, 71656168, 125140538, 143312336, 250281076, 286624672, 500562152, 1001124304, 2002248608, 8697267391, 17394534782, 34789069564, 69578139128, 139156278256, 278312556512]

約数ペア:

[(1, 278312556512), (2, 139156278256), (4, 69578139128), (8, 34789069564), (16, 17394534782), (32, 8697267391), (139, 2002248608), (278, 1001124304), (556, 500562152), (971, 286624672), (1112, 250281076), (1942, 143312336), (2224, 125140538), (3884, 71656168), (4448, 62570269), (7768, 35828084), (15536, 17914042), (31072, 8957021), (64439, 4319008), (128878, 2159504), (134969, 2062048), (257756, 1079752), (269938, 1031024), (515512, 539876)]