28754336

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{409}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 61475400

約数和(自身を除く): 32721064

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 409, 416, 676, 818, 1352, 1636, 2197, 2704, 3272, 4394, 5317, 5408, 6544, 8788, 10634, 13088, 17576, 21268, 35152, 42536, 69121, 70304, 85072, 138242, 170144, 276484, 552968, 898573, 1105936, 1797146, 2211872, 3594292, 7188584, 14377168, 28754336]

約数ペア:

[(1, 28754336), (2, 14377168), (4, 7188584), (8, 3594292), (13, 2211872), (16, 1797146), (26, 1105936), (32, 898573), (52, 552968), (104, 276484), (169, 170144), (208, 138242), (338, 85072), (409, 70304), (416, 69121), (676, 42536), (818, 35152), (1352, 21268), (1636, 17576), (2197, 13088), (2704, 10634), (3272, 8788), (4394, 6544), (5317, 5408)]