1271989994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{26681}}^1$

素因数の和:26902

約数の個数: 24

約数和(自身を含む): 2107931364

約数和(自身を除く): 835941370

約数列:

[1, 2, 11, 22, 121, 197, 242, 394, 2167, 4334, 23837, 26681, 47674, 53362, 293491, 586982, 3228401, 5256157, 6456802, 10512314, 57817727, 115635454, 635994997, 1271989994]

約数ペア:

[(1, 1271989994), (2, 635994997), (11, 115635454), (22, 57817727), (121, 10512314), (197, 6456802), (242, 5256157), (394, 3228401), (2167, 586982), (4334, 293491), (23837, 53362), (26681, 47674)]