256988894005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{888451}}^1$

素因数の和:888597

約数の個数: 32

約数和(自身を含む): 338521534848

約数和(自身を除く): 81532640843

約数列:

[1, 5, 17, 41, 83, 85, 205, 415, 697, 1411, 3403, 3485, 7055, 17015, 57851, 289255, 888451, 4442255, 15103667, 36426491, 73741433, 75518335, 182132455, 368707165, 619250347, 1253604361, 3023398753, 3096251735, 6268021805, 15116993765, 51397778801, 256988894005]

約数ペア:

[(1, 256988894005), (5, 51397778801), (17, 15116993765), (41, 6268021805), (83, 3096251735), (85, 3023398753), (205, 1253604361), (415, 619250347), (697, 368707165), (1411, 182132455), (3403, 75518335), (3485, 73741433), (7055, 36426491), (17015, 15103667), (57851, 4442255), (289255, 888451)]