28538368

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 40

約数和(自身を含む): 57574440

約数和(自身を除く): 29036072

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 401, 512, 556, 802, 1112, 1604, 2224, 3208, 4448, 6416, 8896, 12832, 17792, 25664, 35584, 51328, 55739, 71168, 102656, 111478, 205312, 222956, 445912, 891824, 1783648, 3567296, 7134592, 14269184, 28538368]

約数ペア:

[(1, 28538368), (2, 14269184), (4, 7134592), (8, 3567296), (16, 1783648), (32, 891824), (64, 445912), (128, 222956), (139, 205312), (256, 111478), (278, 102656), (401, 71168), (512, 55739), (556, 51328), (802, 35584), (1112, 25664), (1604, 17792), (2224, 12832), (3208, 8896), (4448, 6416)]