1281508768

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{739}}^1\times {\mathrm{1153}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 2582375040

約数和(自身を除く): 1300866272

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 739, 752, 1153, 1478, 1504, 2306, 2956, 4612, 5912, 9224, 11824, 18448, 23648, 34733, 36896, 54191, 69466, 108382, 138932, 216764, 277864, 433528, 555728, 852067, 867056, 1111456, 1704134, 1734112, 3408268, 6816536, 13633072, 27266144, 40047149, 80094298, 160188596, 320377192, 640754384, 1281508768]

約数ペア:

[(1, 1281508768), (2, 640754384), (4, 320377192), (8, 160188596), (16, 80094298), (32, 40047149), (47, 27266144), (94, 13633072), (188, 6816536), (376, 3408268), (739, 1734112), (752, 1704134), (1153, 1111456), (1478, 867056), (1504, 852067), (2306, 555728), (2956, 433528), (4612, 277864), (5912, 216764), (9224, 138932), (11824, 108382), (18448, 69466), (23648, 54191), (34733, 36896)]