13872887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 16665600

約数和(自身を除く): 2792713

約数列:

[1, 7, 23, 161, 199, 433, 1393, 3031, 4577, 9959, 32039, 69713, 86167, 603169, 1981841, 13872887]

約数ペア:

[(1, 13872887), (7, 1981841), (23, 603169), (161, 86167), (199, 69713), (433, 32039), (1393, 9959), (3031, 4577)]