71631616

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 166005504

約数和(自身を除く): 94373888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 563, 568, 896, 994, 1126, 1136, 1792, 1988, 2252, 2272, 3941, 3976, 4504, 4544, 7882, 7952, 9008, 9088, 15764, 15904, 18016, 18176, 31528, 31808, 36032, 39973, 63056, 63616, 72064, 79946, 126112, 127232, 144128, 159892, 252224, 279811, 319784, 504448, 559622, 639568, 1008896, 1119244, 1279136, 2238488, 2558272, 4476976, 5116544, 8953952, 10233088, 17907904, 35815808, 71631616]

約数ペア:

[(1, 71631616), (2, 35815808), (4, 17907904), (7, 10233088), (8, 8953952), (14, 5116544), (16, 4476976), (28, 2558272), (32, 2238488), (56, 1279136), (64, 1119244), (71, 1008896), (112, 639568), (128, 559622), (142, 504448), (224, 319784), (256, 279811), (284, 252224), (448, 159892), (497, 144128), (563, 127232), (568, 126112), (896, 79946), (994, 72064), (1126, 63616), (1136, 63056), (1792, 39973), (1988, 36032), (2252, 31808), (2272, 31528), (3941, 18176), (3976, 18016), (4504, 15904), (4544, 15764), (7882, 9088), (7952, 9008)]