8205121519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{18803}}^1$

素因数の和:19039

約数の個数: 32

約数和(自身を含む): 10506170880

約数和(自身を除く): 2301049361

約数列:

[1, 7, 17, 19, 119, 133, 193, 323, 1351, 2261, 3281, 3667, 18803, 22967, 25669, 62339, 131621, 319651, 357257, 436373, 2237557, 2500799, 3628979, 6073369, 25402853, 42513583, 61692643, 68950601, 431848501, 482654207, 1172160217, 8205121519]

約数ペア:

[(1, 8205121519), (7, 1172160217), (17, 482654207), (19, 431848501), (119, 68950601), (133, 61692643), (193, 42513583), (323, 25402853), (1351, 6073369), (2261, 3628979), (3281, 2500799), (3667, 2237557), (18803, 436373), (22967, 357257), (25669, 319651), (62339, 131621)]