408978824

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{20773}}^1$

素因数の和:20909

約数の個数: 32

約数和(自身を含む): 807693120

約数和(自身を除く): 398714296

約数列:

[1, 2, 4, 8, 23, 46, 92, 107, 184, 214, 428, 856, 2461, 4922, 9844, 19688, 20773, 41546, 83092, 166184, 477779, 955558, 1911116, 2222711, 3822232, 4445422, 8890844, 17781688, 51122353, 102244706, 204489412, 408978824]

約数ペア:

[(1, 408978824), (2, 204489412), (4, 102244706), (8, 51122353), (23, 17781688), (46, 8890844), (92, 4445422), (107, 3822232), (184, 2222711), (214, 1911116), (428, 955558), (856, 477779), (2461, 166184), (4922, 83092), (9844, 41546), (19688, 20773)]