2758021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 3369600

約数和(自身を除く): 611579

約数列:

[1, 7, 19, 89, 133, 233, 623, 1631, 1691, 4427, 11837, 20737, 30989, 145159, 394003, 2758021]

約数ペア:

[(1, 2758021), (7, 394003), (19, 145159), (89, 30989), (133, 20737), (233, 11837), (623, 4427), (1631, 1691)]