290515654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23623}}^1$

素因数の和:23692

約数の個数: 32

約数和(自身を含む): 523885824

約数和(自身を除く): 233370170

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 6149, 12298, 23623, 47246, 259853, 307099, 519706, 614198, 1015789, 2031578, 3378089, 6756178, 11173679, 13205257, 22347358, 26410514, 145257827, 290515654]

約数ペア:

[(1, 290515654), (2, 145257827), (11, 26410514), (13, 22347358), (22, 13205257), (26, 11173679), (43, 6756178), (86, 3378089), (143, 2031578), (286, 1015789), (473, 614198), (559, 519706), (946, 307099), (1118, 259853), (6149, 47246), (12298, 23623)]