80807881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{19801}}^1$

素因数の和:19872

約数の個数: 16

約数和(自身を含む): 102653568

約数和(自身を除く): 21845687

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 19801, 138607, 217811, 1049453, 1524677, 7346171, 11543983, 80807881]

約数ペア:

[(1, 80807881), (7, 11543983), (11, 7346171), (53, 1524677), (77, 1049453), (371, 217811), (583, 138607), (4081, 19801)]