28380742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7853}}^1$

素因数の和:8007

約数の個数: 16

約数和(自身を含む): 46181520

約数和(自身を除く): 17800778

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 7853, 15706, 102089, 204178, 1091567, 2183134, 14190371, 28380742]

約数ペア:

[(1, 28380742), (2, 14190371), (13, 2183134), (26, 1091567), (139, 204178), (278, 102089), (1807, 15706), (3614, 7853)]