16728313

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 19922944

約数和(自身を除く): 3194631

約数列:

[1, 7, 31, 127, 217, 607, 889, 3937, 4249, 18817, 27559, 77089, 131719, 539623, 2389759, 16728313]

約数ペア:

[(1, 16728313), (7, 2389759), (31, 539623), (127, 131719), (217, 77089), (607, 27559), (889, 18817), (3937, 4249)]