28781382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{685271}}^1$

素因数の和:685283

約数の個数: 16

約数和(自身を含む): 65786112

約数和(自身を除く): 37004730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 685271, 1370542, 2055813, 4111626, 4796897, 9593794, 14390691, 28781382]

約数ペア:

[(1, 28781382), (2, 14390691), (3, 9593794), (6, 4796897), (7, 4111626), (14, 2055813), (21, 1370542), (42, 685271)]