639887185

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{2083}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 897887232

約数和(自身を除く): 258000047

約数列:

[1, 5, 7, 35, 67, 131, 335, 469, 655, 917, 2083, 2345, 4585, 8777, 10415, 14581, 43885, 61439, 72905, 139561, 272873, 307195, 697805, 976927, 1364365, 1910111, 4884635, 9550555, 18282491, 91412455, 127977437, 639887185]

約数ペア:

[(1, 639887185), (5, 127977437), (7, 91412455), (35, 18282491), (67, 9550555), (131, 4884635), (335, 1910111), (469, 1364365), (655, 976927), (917, 697805), (2083, 307195), (2345, 272873), (4585, 139561), (8777, 72905), (10415, 61439), (14581, 43885)]