55882981

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 71409600

約数和(自身を除く): 15526619

約数列:

[1, 7, 11, 49, 77, 199, 521, 539, 1393, 2189, 3647, 5731, 9751, 15323, 25529, 40117, 103679, 107261, 280819, 725753, 1140469, 5080271, 7983283, 55882981]

約数ペア:

[(1, 55882981), (7, 7983283), (11, 5080271), (49, 1140469), (77, 725753), (199, 280819), (521, 107261), (539, 103679), (1393, 40117), (2189, 25529), (3647, 15323), (5731, 9751)]