641910190

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{146221}}^1$

素因数の和:146667

約数の個数: 16

約数和(自身を含む): 1158078240

約数和(自身を除く): 516168050

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 146221, 292442, 731105, 1462210, 64191019, 128382038, 320955095, 641910190]

約数ペア:

[(1, 641910190), (2, 320955095), (5, 128382038), (10, 64191019), (439, 1462210), (878, 731105), (2195, 292442), (4390, 146221)]