138938855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{7919}}^1$

素因数の和:7975

約数の個数: 24

約数和(自身を含む): 189604800

約数和(自身を除く): 50665945

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1595, 3509, 7919, 17545, 39595, 87109, 229651, 435545, 958199, 1148255, 2526161, 4790995, 12630805, 27787771, 138938855]

約数ペア:

[(1, 138938855), (5, 27787771), (11, 12630805), (29, 4790995), (55, 2526161), (121, 1148255), (145, 958199), (319, 435545), (605, 229651), (1595, 87109), (3509, 39595), (7919, 17545)]