28913003

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 35040000

約数和(自身を除く): 6126997

約数列:

[1, 7, 19, 133, 149, 1043, 1459, 2831, 10213, 19817, 27721, 194047, 217391, 1521737, 4130429, 28913003]

約数ペア:

[(1, 28913003), (7, 4130429), (19, 1521737), (133, 217391), (149, 194047), (1043, 27721), (1459, 19817), (2831, 10213)]