28216786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{57119}}^1$

素因数の和:57153

約数の個数: 16

約数和(自身を含む): 47980800

約数和(自身を除く): 19764014

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 57119, 114238, 742547, 1085261, 1485094, 2170522, 14108393, 28216786]

約数ペア:

[(1, 28216786), (2, 14108393), (13, 2170522), (19, 1485094), (26, 1085261), (38, 742547), (247, 114238), (494, 57119)]