28009338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{666889}}^1$

素因数の和:666901

約数の個数: 16

約数和(自身を含む): 64021440

約数和(自身を除く): 36012102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 666889, 1333778, 2000667, 4001334, 4668223, 9336446, 14004669, 28009338]

約数ペア:

[(1, 28009338), (2, 14004669), (3, 9336446), (6, 4668223), (7, 4001334), (14, 2000667), (21, 1333778), (42, 666889)]