11991265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 17482752

約数和(自身を除く): 5491487

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 541, 715, 1705, 2015, 2705, 4433, 5951, 7033, 16771, 22165, 29755, 35165, 77363, 83855, 184481, 218023, 386815, 922405, 1090115, 2398253, 11991265]

約数ペア:

[(1, 11991265), (5, 2398253), (11, 1090115), (13, 922405), (31, 386815), (55, 218023), (65, 184481), (143, 83855), (155, 77363), (341, 35165), (403, 29755), (541, 22165), (715, 16771), (1705, 7033), (2015, 5951), (2705, 4433)]