81600421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4831}}^1$

素因数の和:4984

約数の個数: 16

約数和(自身を含む): 98959360

約数和(自身を除く): 17358939

約数列:

[1, 7, 19, 127, 133, 889, 2413, 4831, 16891, 33817, 91789, 613537, 642523, 4294759, 11657203, 81600421]

約数ペア:

[(1, 81600421), (7, 11657203), (19, 4294759), (127, 642523), (133, 613537), (889, 91789), (2413, 33817), (4831, 16891)]