28756864

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 60710400

約数和(自身を除く): 31953536

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 64, 116, 122, 127, 128, 232, 244, 254, 464, 488, 508, 928, 976, 1016, 1769, 1856, 1952, 2032, 3538, 3683, 3712, 3904, 4064, 7076, 7366, 7747, 7808, 8128, 14152, 14732, 15494, 16256, 28304, 29464, 30988, 56608, 58928, 61976, 113216, 117856, 123952, 224663, 226432, 235712, 247904, 449326, 471424, 495808, 898652, 991616, 1797304, 3594608, 7189216, 14378432, 28756864]

約数ペア:

[(1, 28756864), (2, 14378432), (4, 7189216), (8, 3594608), (16, 1797304), (29, 991616), (32, 898652), (58, 495808), (61, 471424), (64, 449326), (116, 247904), (122, 235712), (127, 226432), (128, 224663), (232, 123952), (244, 117856), (254, 113216), (464, 61976), (488, 58928), (508, 56608), (928, 30988), (976, 29464), (1016, 28304), (1769, 16256), (1856, 15494), (1952, 14732), (2032, 14152), (3538, 8128), (3683, 7808), (3712, 7747), (3904, 7366), (4064, 7076)]