2019985079

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 2418143232

約数和(自身を除く): 398158153

約数列:

[1, 7, 31, 157, 211, 217, 281, 1099, 1477, 1967, 4867, 6541, 8711, 33127, 34069, 44117, 45787, 59291, 60977, 231889, 308819, 415037, 1026937, 1367627, 1838021, 7188559, 9308687, 9573389, 12866147, 65160809, 288569297, 2019985079]

約数ペア:

[(1, 2019985079), (7, 288569297), (31, 65160809), (157, 12866147), (211, 9573389), (217, 9308687), (281, 7188559), (1099, 1838021), (1477, 1367627), (1967, 1026937), (4867, 415037), (6541, 308819), (8711, 231889), (33127, 60977), (34069, 59291), (44117, 45787)]