71291857

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41233}}^1$

素因数の和:41272

約数の個数: 16

約数和(自身を含む): 92364160

約数和(自身を除く): 21072303

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 41233, 288631, 536029, 783427, 3752203, 5483989, 10184551, 71291857]

約数ペア:

[(1, 71291857), (7, 10184551), (13, 5483989), (19, 3752203), (91, 783427), (133, 536029), (247, 288631), (1729, 41233)]