4128128641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1\times {\mathrm{1021}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 5136228608

約数和(自身を除く): 1008099967

約数列:

[1, 7, 13, 91, 157, 283, 1021, 1099, 1981, 2041, 3679, 7147, 13273, 14287, 25753, 44431, 92911, 160297, 288943, 311017, 577603, 1122079, 2022601, 2083861, 3756259, 4043221, 14587027, 26293813, 45364051, 317548357, 589732663, 4128128641]

約数ペア:

[(1, 4128128641), (7, 589732663), (13, 317548357), (91, 45364051), (157, 26293813), (283, 14587027), (1021, 4043221), (1099, 3756259), (1981, 2083861), (2041, 2022601), (3679, 1122079), (7147, 577603), (13273, 311017), (14287, 288943), (25753, 160297), (44431, 92911)]