261520220507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{13151}}^1\times {\mathrm{218527}}^1$

素因数の和:231698

約数の個数: 16

約数和(自身を含む): 321896988672

約数和(自身を除く): 60376768165

約数列:

[1, 7, 13, 91, 13151, 92057, 170963, 218527, 1196741, 1529689, 2840851, 19885957, 2873848577, 20116940039, 37360031501, 261520220507]

約数ペア:

[(1, 261520220507), (7, 37360031501), (13, 20116940039), (91, 2873848577), (13151, 19885957), (92057, 2840851), (170963, 1529689), (218527, 1196741)]