61388516

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{15773}}^1$

素因数の和:15923

約数の個数: 24

約数和(自身を含む): 123668160

約数和(自身を除く): 62279644

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 15773, 31546, 63092, 110411, 220822, 441644, 2192447, 4384894, 8769788, 15347129, 30694258, 61388516]

約数ペア:

[(1, 61388516), (2, 30694258), (4, 15347129), (7, 8769788), (14, 4384894), (28, 2192447), (139, 441644), (278, 220822), (556, 110411), (973, 63092), (1946, 31546), (3892, 15773)]