276728984

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 606681600

約数和(自身を除く): 329952616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 139, 146, 278, 292, 487, 511, 556, 584, 973, 974, 1022, 1112, 1946, 1948, 2044, 3409, 3892, 3896, 4088, 6818, 7784, 10147, 13636, 20294, 27272, 35551, 40588, 67693, 71029, 71102, 81176, 135386, 142058, 142204, 248857, 270772, 284116, 284408, 473851, 497714, 541544, 568232, 947702, 995428, 1895404, 1990856, 3790808, 4941589, 9883178, 19766356, 34591123, 39532712, 69182246, 138364492, 276728984]

約数ペア:

[(1, 276728984), (2, 138364492), (4, 69182246), (7, 39532712), (8, 34591123), (14, 19766356), (28, 9883178), (56, 4941589), (73, 3790808), (139, 1990856), (146, 1895404), (278, 995428), (292, 947702), (487, 568232), (511, 541544), (556, 497714), (584, 473851), (973, 284408), (974, 284116), (1022, 270772), (1112, 248857), (1946, 142204), (1948, 142058), (2044, 135386), (3409, 81176), (3892, 71102), (3896, 71029), (4088, 67693), (6818, 40588), (7784, 35551), (10147, 27272), (13636, 20294)]