16994665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 21321216

約数和(自身を除く): 4326551

約数列:

[1, 5, 31, 83, 155, 415, 1321, 2573, 6605, 12865, 40951, 109643, 204755, 548215, 3398933, 16994665]

約数ペア:

[(1, 16994665), (5, 3398933), (31, 548215), (83, 204755), (155, 109643), (415, 40951), (1321, 12865), (2573, 6605)]