81254615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2887}}^1$

素因数の和:3338

約数の個数: 16

約数和(自身を含む): 105284928

約数和(自身を除く): 24030313

約数列:

[1, 5, 13, 65, 433, 2165, 2887, 5629, 14435, 28145, 37531, 187655, 1250071, 6250355, 16250923, 81254615]

約数ペア:

[(1, 81254615), (5, 16250923), (13, 6250355), (65, 1250071), (433, 187655), (2165, 37531), (2887, 28145), (5629, 14435)]