208026287

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{2473}}^1$

素因数の和:2738

約数の個数: 16

約数和(自身を含む): 242966592

約数和(自身を除く): 34940305

約数列:

[1, 7, 61, 197, 427, 1379, 2473, 12017, 17311, 84119, 150853, 487181, 1055971, 3410267, 29718041, 208026287]

約数ペア:

[(1, 208026287), (7, 29718041), (61, 3410267), (197, 1055971), (427, 487181), (1379, 150853), (2473, 84119), (12017, 17311)]