138945191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2789}}^1$

素因数の和:3454

約数の個数: 16

約数和(自身を含む): 173560320

約数和(自身を除く): 34615129

約数列:

[1, 7, 11, 77, 647, 2789, 4529, 7117, 19523, 30679, 49819, 214753, 1804483, 12631381, 19849313, 138945191]

約数ペア:

[(1, 138945191), (7, 19849313), (11, 12631381), (77, 1804483), (647, 214753), (2789, 49819), (4529, 30679), (7117, 19523)]