138865489

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{1663}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 161873920

約数和(自身を除く): 23008431

約数列:

[1, 7, 79, 151, 553, 1057, 1663, 11641, 11929, 83503, 131377, 251113, 919639, 1757791, 19837927, 138865489]

約数ペア:

[(1, 138865489), (7, 19837927), (79, 1757791), (151, 919639), (553, 251113), (1057, 131377), (1663, 83503), (11641, 11929)]