51780728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 101727360

約数和(自身を除く): 49946632

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 347, 694, 811, 1388, 1622, 2776, 3244, 6488, 7981, 15962, 18653, 31924, 37306, 63848, 74612, 149224, 281417, 562834, 1125668, 2251336, 6472591, 12945182, 25890364, 51780728]

約数ペア:

[(1, 51780728), (2, 25890364), (4, 12945182), (8, 6472591), (23, 2251336), (46, 1125668), (92, 562834), (184, 281417), (347, 149224), (694, 74612), (811, 63848), (1388, 37306), (1622, 31924), (2776, 18653), (3244, 15962), (6488, 7981)]