71880907

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5081}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 85865472

約数和(自身を除く): 13984565

約数列:

[1, 7, 43, 47, 301, 329, 2021, 5081, 14147, 35567, 218483, 238807, 1529381, 1671649, 10268701, 71880907]

約数ペア:

[(1, 71880907), (7, 10268701), (43, 1671649), (47, 1529381), (301, 238807), (329, 218483), (2021, 35567), (5081, 14147)]