128881792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1061}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 280559160

約数和(自身を除く): 151677368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 128, 146, 208, 292, 416, 584, 832, 949, 1061, 1168, 1664, 1898, 2122, 2336, 3796, 4244, 4672, 7592, 8488, 9344, 13793, 15184, 16976, 27586, 30368, 33952, 55172, 60736, 67904, 77453, 110344, 121472, 135808, 154906, 220688, 309812, 441376, 619624, 882752, 1006889, 1239248, 1765504, 2013778, 2478496, 4027556, 4956992, 8055112, 9913984, 16110224, 32220448, 64440896, 128881792]

約数ペア:

[(1, 128881792), (2, 64440896), (4, 32220448), (8, 16110224), (13, 9913984), (16, 8055112), (26, 4956992), (32, 4027556), (52, 2478496), (64, 2013778), (73, 1765504), (104, 1239248), (128, 1006889), (146, 882752), (208, 619624), (292, 441376), (416, 309812), (584, 220688), (832, 154906), (949, 135808), (1061, 121472), (1168, 110344), (1664, 77453), (1898, 67904), (2122, 60736), (2336, 55172), (3796, 33952), (4244, 30368), (4672, 27586), (7592, 16976), (8488, 15184), (9344, 13793)]