28487494

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14639}}^1$

素因数の和:14787

約数の個数: 16

約数和(自身を含む): 49190400

約数和(自身を除く): 20702906

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 14639, 29278, 102473, 204946, 2034821, 4069642, 14243747, 28487494]

約数ペア:

[(1, 28487494), (2, 14243747), (7, 4069642), (14, 2034821), (139, 204946), (278, 102473), (973, 29278), (1946, 14639)]