279320272

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20611}}^1$

素因数の和:20648

約数の個数: 60

約数和(自身を含む): 679866208

約数和(自身を除く): 400545936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 20611, 41222, 82444, 144277, 164888, 226721, 288554, 329776, 453442, 577108, 906884, 1154216, 1587047, 1813768, 2308432, 2493931, 3174094, 3627536, 4987862, 6348188, 9975724, 12696376, 17457517, 19951448, 25392752, 34915034, 39902896, 69830068, 139660136, 279320272]

約数ペア:

[(1, 279320272), (2, 139660136), (4, 69830068), (7, 39902896), (8, 34915034), (11, 25392752), (14, 19951448), (16, 17457517), (22, 12696376), (28, 9975724), (44, 6348188), (56, 4987862), (77, 3627536), (88, 3174094), (112, 2493931), (121, 2308432), (154, 1813768), (176, 1587047), (242, 1154216), (308, 906884), (484, 577108), (616, 453442), (847, 329776), (968, 288554), (1232, 226721), (1694, 164888), (1936, 144277), (3388, 82444), (6776, 41222), (13552, 20611)]