181221536

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 378356832

約数和(自身を除く): 197135296

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 71, 83, 124, 142, 166, 248, 284, 332, 496, 568, 664, 961, 992, 1136, 1328, 1922, 2201, 2272, 2573, 2656, 3844, 4402, 5146, 5893, 7688, 8804, 10292, 11786, 15376, 17608, 20584, 23572, 30752, 35216, 41168, 47144, 68231, 70432, 79763, 82336, 94288, 136462, 159526, 182683, 188576, 272924, 319052, 365366, 545848, 638104, 730732, 1091696, 1276208, 1461464, 2183392, 2552416, 2922928, 5663173, 5845856, 11326346, 22652692, 45305384, 90610768, 181221536]

約数ペア:

[(1, 181221536), (2, 90610768), (4, 45305384), (8, 22652692), (16, 11326346), (31, 5845856), (32, 5663173), (62, 2922928), (71, 2552416), (83, 2183392), (124, 1461464), (142, 1276208), (166, 1091696), (248, 730732), (284, 638104), (332, 545848), (496, 365366), (568, 319052), (664, 272924), (961, 188576), (992, 182683), (1136, 159526), (1328, 136462), (1922, 94288), (2201, 82336), (2272, 79763), (2573, 70432), (2656, 68231), (3844, 47144), (4402, 41168), (5146, 35216), (5893, 30752), (7688, 23572), (8804, 20584), (10292, 17608), (11786, 15376)]