2016538191

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1973}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 3161558400

約数和(自身を除く): 1145020209

約数列:

[1, 3, 9, 19, 43, 57, 129, 139, 171, 387, 417, 817, 1251, 1973, 2451, 2641, 5919, 5977, 7353, 7923, 17757, 17931, 23769, 37487, 53793, 84839, 112461, 113563, 254517, 274247, 337383, 340689, 763551, 822741, 1022067, 1611941, 2468223, 4835823, 5210693, 11792621, 14507469, 15632079, 35377863, 46896237, 106133589, 224059799, 672179397, 2016538191]

約数ペア:

[(1, 2016538191), (3, 672179397), (9, 224059799), (19, 106133589), (43, 46896237), (57, 35377863), (129, 15632079), (139, 14507469), (171, 11792621), (387, 5210693), (417, 4835823), (817, 2468223), (1251, 1611941), (1973, 1022067), (2451, 822741), (2641, 763551), (5919, 340689), (5977, 337383), (7353, 274247), (7923, 254517), (17757, 113563), (17931, 112461), (23769, 84839), (37487, 53793)]