1640346728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{34759}}^1$

素因数の和:35129

約数の個数: 32

約数和(自身を含む): 3266049600

約数和(自身を除く): 1625702872

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 694, 1388, 2776, 5899, 11798, 23596, 34759, 47192, 69518, 139036, 278072, 590903, 1181806, 2363612, 4727224, 12061373, 24122746, 48245492, 96490984, 205043341, 410086682, 820173364, 1640346728]

約数ペア:

[(1, 1640346728), (2, 820173364), (4, 410086682), (8, 205043341), (17, 96490984), (34, 48245492), (68, 24122746), (136, 12061373), (347, 4727224), (694, 2363612), (1388, 1181806), (2776, 590903), (5899, 278072), (11798, 139036), (23596, 69518), (34759, 47192)]