401996888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{8527}}^1$

素因数の和:8687

約数の個数: 32

約数和(自身を含む): 773660160

約数和(自身を除く): 371663272

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 568, 664, 5893, 8527, 11786, 17054, 23572, 34108, 47144, 68216, 605417, 707741, 1210834, 1415482, 2421668, 2830964, 4843336, 5661928, 50249611, 100499222, 200998444, 401996888]

約数ペア:

[(1, 401996888), (2, 200998444), (4, 100499222), (8, 50249611), (71, 5661928), (83, 4843336), (142, 2830964), (166, 2421668), (284, 1415482), (332, 1210834), (568, 707741), (664, 605417), (5893, 68216), (8527, 47144), (11786, 34108), (17054, 23572)]