201991888115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{44983}}^1\times {\mathrm{39047}}^1$

素因数の和:84058

約数の個数: 16

約数和(自身を含む): 252941073408

約数和(自身を除く): 50949185293

約数列:

[1, 5, 23, 115, 39047, 44983, 195235, 224915, 898081, 1034609, 4490405, 5173045, 1756451201, 8782256005, 40398377623, 201991888115]

約数ペア:

[(1, 201991888115), (5, 40398377623), (23, 8782256005), (115, 1756451201), (39047, 5173045), (44983, 4490405), (195235, 1034609), (224915, 898081)]