28093184

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 65391648

約数和(自身を除く): 37298464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 257, 427, 448, 488, 514, 854, 896, 976, 1028, 1708, 1792, 1799, 1952, 2056, 3416, 3598, 3904, 4112, 6832, 7196, 7808, 8224, 13664, 14392, 15616, 15677, 16448, 27328, 28784, 31354, 32896, 54656, 57568, 62708, 65792, 109312, 109739, 115136, 125416, 219478, 230272, 250832, 438956, 460544, 501664, 877912, 1003328, 1755824, 2006656, 3511648, 4013312, 7023296, 14046592, 28093184]

約数ペア:

[(1, 28093184), (2, 14046592), (4, 7023296), (7, 4013312), (8, 3511648), (14, 2006656), (16, 1755824), (28, 1003328), (32, 877912), (56, 501664), (61, 460544), (64, 438956), (112, 250832), (122, 230272), (128, 219478), (224, 125416), (244, 115136), (256, 109739), (257, 109312), (427, 65792), (448, 62708), (488, 57568), (514, 54656), (854, 32896), (896, 31354), (976, 28784), (1028, 27328), (1708, 16448), (1792, 15677), (1799, 15616), (1952, 14392), (2056, 13664), (3416, 8224), (3598, 7808), (3904, 7196), (4112, 6832)]