28656964

素因数分解:

$2^2\times 7^3\times {\mathrm{20887}}^1$

素因数の和:20912

約数の個数: 24

約数和(自身を含む): 58486400

約数和(自身を除く): 29829436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20887, 41774, 83548, 146209, 292418, 584836, 1023463, 2046926, 4093852, 7164241, 14328482, 28656964]

約数ペア:

[(1, 28656964), (2, 14328482), (4, 7164241), (7, 4093852), (14, 2046926), (28, 1023463), (49, 584836), (98, 292418), (196, 146209), (343, 83548), (686, 41774), (1372, 20887)]