209219894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{12323}}^1$

素因数の和:12991

約数の個数: 16

約数和(自身を含む): 338515632

約数和(自身を除く): 129295738

約数列:

[1, 2, 13, 26, 653, 1306, 8489, 12323, 16978, 24646, 160199, 320398, 8046919, 16093838, 104609947, 209219894]

約数ペア:

[(1, 209219894), (2, 104609947), (13, 16093838), (26, 8046919), (653, 320398), (1306, 160199), (8489, 24646), (12323, 16978)]