138538939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{38281}}^1$

素因数の和:38346

約数の個数: 16

約数和(自身を含む): 176403456

約数和(自身を除く): 37864517

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 38281, 267967, 421091, 1799207, 2947637, 12594449, 19791277, 138538939]

約数ペア:

[(1, 138538939), (7, 19791277), (11, 12594449), (47, 2947637), (77, 1799207), (329, 421091), (517, 267967), (3619, 38281)]