1388579521

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1\times {\mathrm{4751}}^1$

素因数の和:5772

約数の個数: 16

約数和(自身を含む): 1625868288

約数和(自身を除く): 237288767

約数列:

[1, 7, 43, 301, 971, 4751, 6797, 33257, 41753, 204293, 292271, 1430051, 4613221, 32292547, 198368503, 1388579521]

約数ペア:

[(1, 1388579521), (7, 198368503), (43, 32292547), (301, 4613221), (971, 1430051), (4751, 292271), (6797, 204293), (33257, 41753)]