28468076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 61782336

約数和(自身を除く): 33314260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 397, 788, 794, 1379, 1588, 2561, 2758, 2779, 5122, 5161, 5516, 5558, 10244, 10322, 11116, 17927, 20644, 35854, 36127, 71708, 72254, 78209, 144508, 156418, 312836, 547463, 1016717, 1094926, 2033434, 2189852, 4066868, 7117019, 14234038, 28468076]

約数ペア:

[(1, 28468076), (2, 14234038), (4, 7117019), (7, 4066868), (13, 2189852), (14, 2033434), (26, 1094926), (28, 1016717), (52, 547463), (91, 312836), (182, 156418), (197, 144508), (364, 78209), (394, 72254), (397, 71708), (788, 36127), (794, 35854), (1379, 20644), (1588, 17927), (2561, 11116), (2758, 10322), (2779, 10244), (5122, 5558), (5161, 5516)]