28057204

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:832

約数の個数: 36

約数和(自身を含む): 57441636

約数和(自身を除く): 29384432

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 514, 557, 1028, 1114, 1799, 2228, 3598, 3899, 7196, 7798, 12593, 15596, 25186, 27293, 50372, 54586, 109172, 143149, 286298, 572596, 1002043, 2004086, 4008172, 7014301, 14028602, 28057204]

約数ペア:

[(1, 28057204), (2, 14028602), (4, 7014301), (7, 4008172), (14, 2004086), (28, 1002043), (49, 572596), (98, 286298), (196, 143149), (257, 109172), (514, 54586), (557, 50372), (1028, 27293), (1114, 25186), (1799, 15596), (2228, 12593), (3598, 7798), (3899, 7196)]