12788321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 15926400

約数和(自身を除く): 3138079

約数列:

[1, 7, 13, 89, 91, 623, 1157, 1579, 8099, 11053, 20527, 140531, 143689, 983717, 1826903, 12788321]

約数ペア:

[(1, 12788321), (7, 1826903), (13, 983717), (89, 143689), (91, 140531), (623, 20527), (1157, 11053), (1579, 8099)]