28878256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2401

約数の個数: 40

約数和(自身を含む): 61924608

約数和(自身を除く): 33046352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 2311, 3124, 4622, 6248, 9244, 12496, 18488, 25421, 36976, 50842, 101684, 164081, 203368, 328162, 406736, 656324, 1312648, 1804891, 2625296, 3609782, 7219564, 14439128, 28878256]

約数ペア:

[(1, 28878256), (2, 14439128), (4, 7219564), (8, 3609782), (11, 2625296), (16, 1804891), (22, 1312648), (44, 656324), (71, 406736), (88, 328162), (142, 203368), (176, 164081), (284, 101684), (568, 50842), (781, 36976), (1136, 25421), (1562, 18488), (2311, 12496), (3124, 9244), (4622, 6248)]