64537319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 87490560

約数和(自身を除く): 22953241

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 589, 1423, 1463, 2387, 4123, 6479, 9961, 15653, 27037, 44113, 45353, 109571, 189259, 297407, 308791, 485243, 838147, 2081849, 3396701, 5867029, 9219617, 64537319]

約数ペア:

[(1, 64537319), (7, 9219617), (11, 5867029), (19, 3396701), (31, 2081849), (77, 838147), (133, 485243), (209, 308791), (217, 297407), (341, 189259), (589, 109571), (1423, 45353), (1463, 44113), (2387, 27037), (4123, 15653), (6479, 9961)]