27905264

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21013}}^1$

素因数の和:21104

約数の個数: 20

約数和(自身を含む): 54720456

約数和(自身を除く): 26815192

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21013, 42026, 84052, 168104, 336208, 1744079, 3488158, 6976316, 13952632, 27905264]

約数ペア:

[(1, 27905264), (2, 13952632), (4, 6976316), (8, 3488158), (16, 1744079), (83, 336208), (166, 168104), (332, 84052), (664, 42026), (1328, 21013)]