640338047998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{21397}}^1\times {\mathrm{10711}}^1$

素因数の和:32248

約数の個数: 32

約数和(自身を含む): 1056224452608

約数和(自身を除く): 415886404610

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 10711, 21397, 21422, 42794, 117821, 235367, 235642, 470734, 1360297, 2717419, 2720594, 5434838, 14963267, 29891609, 29926534, 59783218, 229183267, 458366534, 2521015937, 5042031874, 29106274909, 58212549818, 320169023999, 640338047998]

約数ペア:

[(1, 640338047998), (2, 320169023999), (11, 58212549818), (22, 29106274909), (127, 5042031874), (254, 2521015937), (1397, 458366534), (2794, 229183267), (10711, 59783218), (21397, 29926534), (21422, 29891609), (42794, 14963267), (117821, 5434838), (235367, 2720594), (235642, 2717419), (470734, 1360297)]