877787939

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 1082425344

約数和(自身を除く): 204637405

約数列:

[1, 7, 23, 43, 103, 161, 301, 721, 989, 1231, 2369, 4429, 6923, 8617, 16583, 28313, 31003, 52933, 101867, 126793, 198191, 370531, 713069, 887551, 1217459, 2916239, 5452099, 8522213, 20413673, 38164693, 125398277, 877787939]

約数ペア:

[(1, 877787939), (7, 125398277), (23, 38164693), (43, 20413673), (103, 8522213), (161, 5452099), (301, 2916239), (721, 1217459), (989, 887551), (1231, 713069), (2369, 370531), (4429, 198191), (6923, 126793), (8617, 101867), (16583, 52933), (28313, 31003)]