28164988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 54050976

約数和(自身を除く): 25885988

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 431, 527, 862, 961, 1054, 1724, 1922, 2108, 3844, 7327, 13361, 14654, 16337, 26722, 29308, 32674, 53444, 65348, 227137, 414191, 454274, 828382, 908548, 1656764, 7041247, 14082494, 28164988]

約数ペア:

[(1, 28164988), (2, 14082494), (4, 7041247), (17, 1656764), (31, 908548), (34, 828382), (62, 454274), (68, 414191), (124, 227137), (431, 65348), (527, 53444), (862, 32674), (961, 29308), (1054, 26722), (1724, 16337), (1922, 14654), (2108, 13361), (3844, 7327)]