290829238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8609}}^1$

素因数の和:8764

約数の個数: 32

約数和(自身を含む): 528998400

約数和(自身を除く): 238169162

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 889, 1778, 2413, 4826, 8609, 16891, 17218, 33782, 60263, 120526, 163571, 327142, 1093343, 1144997, 2186686, 2289994, 7653401, 15306802, 20773517, 41547034, 145414619, 290829238]

約数ペア:

[(1, 290829238), (2, 145414619), (7, 41547034), (14, 20773517), (19, 15306802), (38, 7653401), (127, 2289994), (133, 2186686), (254, 1144997), (266, 1093343), (889, 327142), (1778, 163571), (2413, 120526), (4826, 60263), (8609, 33782), (16891, 17218)]