7287684890

素因数分解:

$2^1\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{261301}}^1$

素因数の和:264097

約数の個数: 16

約数和(自身を含む): 13122586440

約数和(自身を除く): 5834901550

約数列:

[1, 2, 5, 10, 2789, 5578, 13945, 27890, 261301, 522602, 1306505, 2613010, 728768489, 1457536978, 3643842445, 7287684890]

約数ペア:

[(1, 7287684890), (2, 3643842445), (5, 1457536978), (10, 728768489), (2789, 2613010), (5578, 1306505), (13945, 522602), (27890, 261301)]