139442905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 202051584

約数和(自身を除く): 62608679

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1909, 2087, 2905, 9545, 10435, 13363, 14609, 48001, 66815, 73045, 173221, 240005, 336007, 866105, 1212547, 1680035, 3984083, 6062735, 19920415, 27888581, 139442905]

約数ペア:

[(1, 139442905), (5, 27888581), (7, 19920415), (23, 6062735), (35, 3984083), (83, 1680035), (115, 1212547), (161, 866105), (415, 336007), (581, 240005), (805, 173221), (1909, 73045), (2087, 66815), (2905, 48001), (9545, 14609), (10435, 13363)]