261327830132

素因数分解:

$2^2\times {\mathrm{311}}^1\times {\mathrm{809}}^1\times {\mathrm{259667}}^1$

素因数の和:260791

約数の個数: 24

約数和(自身を含む): 459363078720

約数和(自身を除く): 198035248588

約数列:

[1, 2, 4, 311, 622, 809, 1244, 1618, 3236, 251599, 259667, 503198, 519334, 1006396, 1038668, 80756437, 161512874, 210070603, 323025748, 420141206, 840282412, 65331957533, 130663915066, 261327830132]

約数ペア:

[(1, 261327830132), (2, 130663915066), (4, 65331957533), (311, 840282412), (622, 420141206), (809, 323025748), (1244, 210070603), (1618, 161512874), (3236, 80756437), (251599, 1038668), (259667, 1006396), (503198, 519334)]