28278292

素因数分解:

$2^2\times 7^3\times {\mathrm{20611}}^1$

素因数の和:20636

約数の個数: 24

約数和(自身を含む): 57713600

約数和(自身を除く): 29435308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20611, 41222, 82444, 144277, 288554, 577108, 1009939, 2019878, 4039756, 7069573, 14139146, 28278292]

約数ペア:

[(1, 28278292), (2, 14139146), (4, 7069573), (7, 4039756), (14, 2019878), (28, 1009939), (49, 577108), (98, 288554), (196, 144277), (343, 82444), (686, 41222), (1372, 20611)]