66989839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8537}}^1$

素因数の和:8622

約数の個数: 16

約数和(自身を含む): 81964800

約数和(自身を除く): 14974961

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 8537, 59759, 162203, 503683, 1135421, 3525781, 9569977, 66989839]

約数ペア:

[(1, 66989839), (7, 9569977), (19, 3525781), (59, 1135421), (133, 503683), (413, 162203), (1121, 59759), (7847, 8537)]