99971711

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 123338880

約数和(自身を除く): 23367169

約数列:

[1, 7, 19, 49, 133, 167, 643, 931, 1169, 3173, 4501, 8183, 12217, 22211, 31507, 85519, 107381, 155477, 598633, 751667, 2040239, 5261669, 14281673, 99971711]

約数ペア:

[(1, 99971711), (7, 14281673), (19, 5261669), (49, 2040239), (133, 751667), (167, 598633), (643, 155477), (931, 107381), (1169, 85519), (3173, 31507), (4501, 22211), (8183, 12217)]