66401909

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 81012960

約数和(自身を除く): 14611051

約数列:

[1, 7, 29, 49, 83, 203, 563, 581, 1421, 2407, 3941, 4067, 16327, 16849, 27587, 46729, 114289, 117943, 327103, 800023, 1355141, 2289721, 9485987, 66401909]

約数ペア:

[(1, 66401909), (7, 9485987), (29, 2289721), (49, 1355141), (83, 800023), (203, 327103), (563, 117943), (581, 114289), (1421, 46729), (2407, 27587), (3941, 16849), (4067, 16327)]