920399641

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{47657}}^1$

素因数の和:47784

約数の個数: 16

約数和(自身を含む): 1098040320

約数和(自身を除く): 177640679

約数列:

[1, 7, 31, 89, 217, 623, 2759, 19313, 47657, 333599, 1477367, 4241473, 10341569, 29690311, 131485663, 920399641]

約数ペア:

[(1, 920399641), (7, 131485663), (31, 29690311), (89, 10341569), (217, 4241473), (623, 1477367), (2759, 333599), (19313, 47657)]