28285816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1289}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 57430800

約数和(自身を除く): 29144984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 1289, 1688, 2578, 2743, 5156, 5486, 10312, 10972, 16757, 21944, 33514, 67028, 134056, 271979, 543958, 1087916, 2175832, 3535727, 7071454, 14142908, 28285816]

約数ペア:

[(1, 28285816), (2, 14142908), (4, 7071454), (8, 3535727), (13, 2175832), (26, 1087916), (52, 543958), (104, 271979), (211, 134056), (422, 67028), (844, 33514), (1289, 21944), (1688, 16757), (2578, 10972), (2743, 10312), (5156, 5486)]