82720813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{9283}}^1$

素因数の和:9376

約数の個数: 16

約数和(自身を含む): 101009920

約数和(自身を除く): 18289107

約数列:

[1, 7, 19, 67, 133, 469, 1273, 8911, 9283, 64981, 176377, 621961, 1234639, 4353727, 11817259, 82720813]

約数ペア:

[(1, 82720813), (7, 11817259), (19, 4353727), (67, 1234639), (133, 621961), (469, 176377), (1273, 64981), (8911, 9283)]