28786108

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 55236720

約数和(自身を除く): 26450612

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 338, 388, 439, 676, 878, 1261, 1756, 2522, 5044, 5707, 11414, 16393, 22828, 32786, 42583, 65572, 74191, 85166, 148382, 170332, 296764, 553579, 1107158, 2214316, 7196527, 14393054, 28786108]

約数ペア:

[(1, 28786108), (2, 14393054), (4, 7196527), (13, 2214316), (26, 1107158), (52, 553579), (97, 296764), (169, 170332), (194, 148382), (338, 85166), (388, 74191), (439, 65572), (676, 42583), (878, 32786), (1261, 22828), (1756, 16393), (2522, 11414), (5044, 5707)]