131485312

素因数分解:

$2^7\times 7^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 301055040

約数和(自身を除く): 169569728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 257, 448, 514, 571, 896, 1028, 1142, 1799, 2056, 2284, 3598, 3997, 4112, 4568, 7196, 7994, 8224, 9136, 14392, 15988, 16448, 18272, 28784, 31976, 32896, 36544, 57568, 63952, 73088, 115136, 127904, 146747, 230272, 255808, 293494, 511616, 586988, 1027229, 1173976, 2054458, 2347952, 4108916, 4695904, 8217832, 9391808, 16435664, 18783616, 32871328, 65742656, 131485312]

約数ペア:

[(1, 131485312), (2, 65742656), (4, 32871328), (7, 18783616), (8, 16435664), (14, 9391808), (16, 8217832), (28, 4695904), (32, 4108916), (56, 2347952), (64, 2054458), (112, 1173976), (128, 1027229), (224, 586988), (257, 511616), (448, 293494), (514, 255808), (571, 230272), (896, 146747), (1028, 127904), (1142, 115136), (1799, 73088), (2056, 63952), (2284, 57568), (3598, 36544), (3997, 32896), (4112, 31976), (4568, 28784), (7196, 18272), (7994, 16448), (8224, 15988), (9136, 14392)]