17685248

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 41207040

約数和(自身を除く): 23521792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 139, 142, 224, 256, 278, 284, 448, 497, 556, 568, 896, 973, 994, 1112, 1136, 1792, 1946, 1988, 2224, 2272, 3892, 3976, 4448, 4544, 7784, 7952, 8896, 9088, 9869, 15568, 15904, 17792, 18176, 19738, 31136, 31808, 35584, 39476, 62272, 63616, 69083, 78952, 124544, 127232, 138166, 157904, 249088, 276332, 315808, 552664, 631616, 1105328, 1263232, 2210656, 2526464, 4421312, 8842624, 17685248]

約数ペア:

[(1, 17685248), (2, 8842624), (4, 4421312), (7, 2526464), (8, 2210656), (14, 1263232), (16, 1105328), (28, 631616), (32, 552664), (56, 315808), (64, 276332), (71, 249088), (112, 157904), (128, 138166), (139, 127232), (142, 124544), (224, 78952), (256, 69083), (278, 63616), (284, 62272), (448, 39476), (497, 35584), (556, 31808), (568, 31136), (896, 19738), (973, 18176), (994, 17792), (1112, 15904), (1136, 15568), (1792, 9869), (1946, 9088), (1988, 8896), (2224, 7952), (2272, 7784), (3892, 4544), (3976, 4448)]