138438995

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{1439}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 169205760

約数和(自身を除く): 30766765

約数列:

[1, 5, 71, 271, 355, 1355, 1439, 7195, 19241, 96205, 102169, 389969, 510845, 1949845, 27687799, 138438995]

約数ペア:

[(1, 138438995), (5, 27687799), (71, 1949845), (271, 510845), (355, 389969), (1355, 102169), (1439, 96205), (7195, 19241)]