81306984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2351}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 223534080

約数和(自身を除く): 142227096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 131, 132, 262, 264, 393, 524, 786, 1048, 1441, 1572, 2351, 2882, 3144, 4323, 4702, 5764, 7053, 8646, 9404, 11528, 14106, 17292, 18808, 25861, 28212, 34584, 51722, 56424, 77583, 103444, 155166, 206888, 307981, 310332, 615962, 620664, 923943, 1231924, 1847886, 2463848, 3387791, 3695772, 6775582, 7391544, 10163373, 13551164, 20326746, 27102328, 40653492, 81306984]

約数ペア:

[(1, 81306984), (2, 40653492), (3, 27102328), (4, 20326746), (6, 13551164), (8, 10163373), (11, 7391544), (12, 6775582), (22, 3695772), (24, 3387791), (33, 2463848), (44, 1847886), (66, 1231924), (88, 923943), (131, 620664), (132, 615962), (262, 310332), (264, 307981), (393, 206888), (524, 155166), (786, 103444), (1048, 77583), (1441, 56424), (1572, 51722), (2351, 34584), (2882, 28212), (3144, 25861), (4323, 18808), (4702, 17292), (5764, 14106), (7053, 11528), (8646, 9404)]