12890738

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4129}}^1$

素因数の和:4361

約数の個数: 16

約数和(自身を含む): 22202880

約数和(自身を除く): 9312142

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 4129, 8258, 28903, 57806, 920767, 1841534, 6445369, 12890738]

約数ペア:

[(1, 12890738), (2, 6445369), (7, 1841534), (14, 920767), (223, 57806), (446, 28903), (1561, 8258), (3122, 4129)]