280528087

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 336031872

約数和(自身を除く): 55503785

約数列:

[1, 7, 43, 49, 211, 301, 631, 1477, 2107, 4417, 9073, 10339, 27133, 30919, 63511, 133141, 189931, 444577, 931987, 1329517, 5725063, 6523909, 40075441, 280528087]

約数ペア:

[(1, 280528087), (7, 40075441), (43, 6523909), (49, 5725063), (211, 1329517), (301, 931987), (631, 444577), (1477, 189931), (2107, 133141), (4417, 63511), (9073, 30919), (10339, 27133)]