2667847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 3458560

約数和(自身を除く): 790713

約数列:

[1, 7, 13, 19, 91, 133, 247, 1543, 1729, 10801, 20059, 29317, 140413, 205219, 381121, 2667847]

約数ペア:

[(1, 2667847), (7, 381121), (13, 205219), (19, 140413), (91, 29317), (133, 20059), (247, 10801), (1543, 1729)]