12780642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{304301}}^1$

素因数の和:304313

約数の個数: 16

約数和(自身を含む): 29212992

約数和(自身を除く): 16432350

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 304301, 608602, 912903, 1825806, 2130107, 4260214, 6390321, 12780642]

約数ペア:

[(1, 12780642), (2, 6390321), (3, 4260214), (6, 2130107), (7, 1825806), (14, 912903), (21, 608602), (42, 304301)]