289407716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 561215424

約数和(自身を除く): 271807708

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 347, 373, 559, 694, 746, 1118, 1388, 1492, 2236, 4511, 4849, 9022, 9698, 14921, 16039, 18044, 19396, 29842, 32078, 59684, 64156, 129431, 193973, 208507, 258862, 387946, 417014, 517724, 775892, 834028, 1682603, 3365206, 5565533, 6730412, 11131066, 22262132, 72351929, 144703858, 289407716]

約数ペア:

[(1, 289407716), (2, 144703858), (4, 72351929), (13, 22262132), (26, 11131066), (43, 6730412), (52, 5565533), (86, 3365206), (172, 1682603), (347, 834028), (373, 775892), (559, 517724), (694, 417014), (746, 387946), (1118, 258862), (1388, 208507), (1492, 193973), (2236, 129431), (4511, 64156), (4849, 59684), (9022, 32078), (9698, 29842), (14921, 19396), (16039, 18044)]