689530244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 1318023168

約数和(自身を除く): 628492924

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 263, 397, 508, 526, 794, 1052, 1588, 1651, 3302, 3419, 5161, 6604, 6838, 10322, 13676, 20644, 33401, 50419, 66802, 100838, 104411, 133604, 201676, 208822, 417644, 434213, 655447, 868426, 1310894, 1357343, 1736852, 2621788, 2714686, 5429372, 13260197, 26520394, 53040788, 172382561, 344765122, 689530244]

約数ペア:

[(1, 689530244), (2, 344765122), (4, 172382561), (13, 53040788), (26, 26520394), (52, 13260197), (127, 5429372), (254, 2714686), (263, 2621788), (397, 1736852), (508, 1357343), (526, 1310894), (794, 868426), (1052, 655447), (1588, 434213), (1651, 417644), (3302, 208822), (3419, 201676), (5161, 133604), (6604, 104411), (6838, 100838), (10322, 66802), (13676, 50419), (20644, 33401)]