205616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 20

約数和(自身を含む): 406224

約数和(自身を除く): 200608

約数列:

[1, 2, 4, 8, 16, 71, 142, 181, 284, 362, 568, 724, 1136, 1448, 2896, 12851, 25702, 51404, 102808, 205616]

約数ペア:

[(1, 205616), (2, 102808), (4, 51404), (8, 25702), (16, 12851), (71, 2896), (142, 1448), (181, 1136), (284, 724), (362, 568)]