66988019

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5503}}^1$

素因数の和:5594

約数の個数: 16

約数和(自身を含む): 80314368

約数和(自身を除く): 13326349

約数列:

[1, 7, 37, 47, 259, 329, 1739, 5503, 12173, 38521, 203611, 258641, 1425277, 1810487, 9569717, 66988019]

約数ペア:

[(1, 66988019), (7, 9569717), (37, 1810487), (47, 1425277), (259, 258641), (329, 203611), (1739, 38521), (5503, 12173)]