181514908

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{639137}}^1$

素因数の和:639212

約数の個数: 12

約数和(自身を含む): 322125552

約数和(自身を除く): 140610644

約数列:

[1, 2, 4, 71, 142, 284, 639137, 1278274, 2556548, 45378727, 90757454, 181514908]

約数ペア:

[(1, 181514908), (2, 90757454), (4, 45378727), (71, 2556548), (142, 1278274), (284, 639137)]