28019555

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 34401024

約数和(自身を除く): 6381469

約数列:

[1, 5, 83, 107, 415, 535, 631, 3155, 8881, 44405, 52373, 67517, 261865, 337585, 5603911, 28019555]

約数ペア:

[(1, 28019555), (5, 5603911), (83, 337585), (107, 261865), (415, 67517), (535, 52373), (631, 44405), (3155, 8881)]