71991190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{378901}}^1$

素因数の和:378927

約数の個数: 16

約数和(自身を含む): 136404720

約数和(自身を除く): 64413530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 378901, 757802, 1894505, 3789010, 7199119, 14398238, 35995595, 71991190]

約数ペア:

[(1, 71991190), (2, 35995595), (5, 14398238), (10, 7199119), (19, 3789010), (38, 1894505), (95, 757802), (190, 378901)]