99999977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15647}}^1$

素因数の和:15748

約数の個数: 16

約数和(自身を含む): 126185472

約数和(自身を除く): 26185495

約数列:

[1, 7, 11, 77, 83, 581, 913, 6391, 15647, 109529, 172117, 1204819, 1298701, 9090907, 14285711, 99999977]

約数ペア:

[(1, 99999977), (7, 14285711), (11, 9090907), (77, 1298701), (83, 1204819), (581, 172117), (913, 109529), (6391, 15647)]