199621274

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{20407}}^1$

素因数の和:20549

約数の個数: 16

約数和(自身を含む): 308079168

約数和(自身を除く): 108457894

約数列:

[1, 2, 67, 73, 134, 146, 4891, 9782, 20407, 40814, 1367269, 1489711, 2734538, 2979422, 99810637, 199621274]

約数ペア:

[(1, 199621274), (2, 99810637), (67, 2979422), (73, 2734538), (134, 1489711), (146, 1367269), (4891, 40814), (9782, 20407)]