28756994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{108109}}^1$

素因数の和:108137

約数の個数: 16

約数和(自身を含む): 51892800

約数和(自身を除く): 23135806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 108109, 216218, 756763, 1513526, 2054071, 4108142, 14378497, 28756994]

約数ペア:

[(1, 28756994), (2, 14378497), (7, 4108142), (14, 2054071), (19, 1513526), (38, 756763), (133, 216218), (266, 108109)]