2161211675

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{536947}}^1$

素因数の和:536987

約数の個数: 24

約数和(自身を含む): 3195914496

約数和(自身を除く): 1034702821

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 536947, 2684735, 3758629, 12349781, 13423675, 18793145, 61748905, 86448467, 93965725, 308744525, 432242335, 2161211675]

約数ペア:

[(1, 2161211675), (5, 432242335), (7, 308744525), (23, 93965725), (25, 86448467), (35, 61748905), (115, 18793145), (161, 13423675), (175, 12349781), (575, 3758629), (805, 2684735), (4025, 536947)]