4043221

素因数分解:

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

素因数の和:460

約数の個数: 16

約数和(自身を含む): 5025664

約数和(自身を除く): 982443

約数列:

[1, 7, 13, 91, 157, 283, 1099, 1981, 2041, 3679, 14287, 25753, 44431, 311017, 577603, 4043221]

約数ペア:

[(1, 4043221), (7, 577603), (13, 311017), (91, 44431), (157, 25753), (283, 14287), (1099, 3679), (1981, 2041)]