1640395939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{1103}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 2062448640

約数和(自身を除く): 422052701

約数列:

[1, 7, 13, 59, 91, 277, 413, 767, 1103, 1939, 3601, 5369, 7721, 14339, 16343, 25207, 65077, 100373, 114401, 212459, 305531, 455539, 846001, 1487213, 2138717, 3971903, 5922007, 18026329, 27803321, 126184303, 234342277, 1640395939]

約数ペア:

[(1, 1640395939), (7, 234342277), (13, 126184303), (59, 27803321), (91, 18026329), (277, 5922007), (413, 3971903), (767, 2138717), (1103, 1487213), (1939, 846001), (3601, 455539), (5369, 305531), (7721, 212459), (14339, 114401), (16343, 100373), (25207, 65077)]