231638407

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 317880640

約数和(自身を除く): 86242233

約数列:

[1, 7, 11, 13, 77, 91, 109, 121, 143, 193, 763, 847, 1001, 1199, 1351, 1417, 1573, 2123, 2509, 8393, 9919, 11011, 13189, 14861, 15587, 17563, 21037, 23353, 27599, 92323, 109109, 147259, 163471, 171457, 193193, 231407, 273481, 303589, 1200199, 1619849, 1914367, 2125123, 2545477, 3008291, 17818339, 21058037, 33091201, 231638407]

約数ペア:

[(1, 231638407), (7, 33091201), (11, 21058037), (13, 17818339), (77, 3008291), (91, 2545477), (109, 2125123), (121, 1914367), (143, 1619849), (193, 1200199), (763, 303589), (847, 273481), (1001, 231407), (1199, 193193), (1351, 171457), (1417, 163471), (1573, 147259), (2123, 109109), (2509, 92323), (8393, 27599), (9919, 23353), (11011, 21037), (13189, 17563), (14861, 15587)]