87816113

素因数分解:

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

素因数の和:749

約数の個数: 24

約数和(自身を含む): 111081600

約数和(自身を除く): 23265487

約数列:

[1, 7, 11, 77, 121, 199, 521, 847, 1393, 2189, 3647, 5731, 15323, 24079, 40117, 63041, 103679, 168553, 441287, 725753, 1140469, 7983283, 12545159, 87816113]

約数ペア:

[(1, 87816113), (7, 12545159), (11, 7983283), (77, 1140469), (121, 725753), (199, 441287), (521, 168553), (847, 103679), (1393, 63041), (2189, 40117), (3647, 24079), (5731, 15323)]