788689655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2\times {\mathrm{83}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 1082319840

約数和(自身を除く): 293630185

約数列:

[1, 5, 13, 29, 65, 71, 83, 145, 355, 377, 415, 923, 1079, 1885, 2059, 2407, 4615, 5041, 5395, 5893, 10295, 12035, 25205, 26767, 29465, 31291, 65533, 76609, 133835, 146189, 156455, 170897, 327665, 383045, 418403, 730945, 854485, 1900457, 2092015, 2221661, 5439239, 9502285, 11108305, 12133687, 27196195, 60668435, 157737931, 788689655]

約数ペア:

[(1, 788689655), (5, 157737931), (13, 60668435), (29, 27196195), (65, 12133687), (71, 11108305), (83, 9502285), (145, 5439239), (355, 2221661), (377, 2092015), (415, 1900457), (923, 854485), (1079, 730945), (1885, 418403), (2059, 383045), (2407, 327665), (4615, 170897), (5041, 156455), (5395, 146189), (5893, 133835), (10295, 76609), (12035, 65533), (25205, 31291), (26767, 29465)]