53403889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 70824960

約数和(自身を除く): 17421071

約数列:

[1, 7, 11, 19, 77, 133, 173, 209, 211, 1211, 1463, 1477, 1903, 2321, 3287, 4009, 13321, 16247, 23009, 28063, 36157, 36503, 44099, 253099, 255521, 308693, 401533, 693557, 2810731, 4854899, 7629127, 53403889]

約数ペア:

[(1, 53403889), (7, 7629127), (11, 4854899), (19, 2810731), (77, 693557), (133, 401533), (173, 308693), (209, 255521), (211, 253099), (1211, 44099), (1463, 36503), (1477, 36157), (1903, 28063), (2321, 23009), (3287, 16247), (4009, 13321)]