81876004

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 167305600

約数和(自身を除く): 85429596

約数列:

[1, 2, 4, 7, 14, 28, 109, 139, 193, 218, 278, 386, 436, 556, 763, 772, 973, 1351, 1526, 1946, 2702, 3052, 3892, 5404, 15151, 21037, 26827, 30302, 42074, 53654, 60604, 84148, 106057, 107308, 147259, 187789, 212114, 294518, 375578, 424228, 589036, 751156, 2924143, 5848286, 11696572, 20469001, 40938002, 81876004]

約数ペア:

[(1, 81876004), (2, 40938002), (4, 20469001), (7, 11696572), (14, 5848286), (28, 2924143), (109, 751156), (139, 589036), (193, 424228), (218, 375578), (278, 294518), (386, 212114), (436, 187789), (556, 147259), (763, 107308), (772, 106057), (973, 84148), (1351, 60604), (1526, 53654), (1946, 42074), (2702, 30302), (3052, 26827), (3892, 21037), (5404, 15151)]