28304874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 66989832

約数和(自身を除く): 38684958

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1314, 1657, 1898, 2847, 3314, 4971, 5694, 8541, 9942, 14913, 17082, 21541, 29826, 43082, 64623, 120961, 129246, 193869, 241922, 362883, 387738, 725766, 1088649, 1572493, 2177298, 3144986, 4717479, 9434958, 14152437, 28304874]

約数ペア:

[(1, 28304874), (2, 14152437), (3, 9434958), (6, 4717479), (9, 3144986), (13, 2177298), (18, 1572493), (26, 1088649), (39, 725766), (73, 387738), (78, 362883), (117, 241922), (146, 193869), (219, 129246), (234, 120961), (438, 64623), (657, 43082), (949, 29826), (1314, 21541), (1657, 17082), (1898, 14913), (2847, 9942), (3314, 8541), (4971, 5694)]