71478211

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{757}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 87103296

約数和(自身を除く): 15625085

約数列:

[1, 7, 41, 47, 49, 287, 329, 757, 1927, 2009, 2303, 5299, 13489, 31037, 35579, 37093, 94423, 217259, 249053, 1458739, 1520813, 1743371, 10211173, 71478211]

約数ペア:

[(1, 71478211), (7, 10211173), (41, 1743371), (47, 1520813), (49, 1458739), (287, 249053), (329, 217259), (757, 94423), (1927, 37093), (2009, 35579), (2303, 31037), (5299, 13489)]