71630209

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 89631360

約数和(自身を除く): 18001151

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 1637, 2303, 6251, 11459, 31103, 43757, 76939, 80213, 217721, 538573, 1461841, 1524047, 3770011, 10232887, 71630209]

約数ペア:

[(1, 71630209), (7, 10232887), (19, 3770011), (47, 1524047), (49, 1461841), (133, 538573), (329, 217721), (893, 80213), (931, 76939), (1637, 43757), (2303, 31103), (6251, 11459)]