221426896

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337541}}^1$

素因数の和:337590

約数の個数: 20

約数和(自身を含む): 439479684

約数和(自身を除く): 218052788

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337541, 675082, 1350164, 2700328, 5400656, 13839181, 27678362, 55356724, 110713448, 221426896]

約数ペア:

[(1, 221426896), (2, 110713448), (4, 55356724), (8, 27678362), (16, 13839181), (41, 5400656), (82, 2700328), (164, 1350164), (328, 675082), (656, 337541)]