219921254

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{506731}}^1$

素因数の和:506771

約数の個数: 16

約数和(自身を含む): 389170176

約数和(自身を除く): 169248922

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 506731, 1013462, 3547117, 7094234, 15708661, 31417322, 109960627, 219921254]

約数ペア:

[(1, 219921254), (2, 109960627), (7, 31417322), (14, 15708661), (31, 7094234), (62, 3547117), (217, 1013462), (434, 506731)]