199745065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 265982976

約数和(自身を除く): 66237911

約数列:

[1, 5, 13, 47, 65, 151, 235, 433, 611, 755, 1963, 2165, 3055, 5629, 7097, 9815, 20351, 28145, 35485, 65383, 92261, 101755, 264563, 326915, 461305, 849979, 1322815, 3073001, 4249895, 15365005, 39949013, 199745065]

約数ペア:

[(1, 199745065), (5, 39949013), (13, 15365005), (47, 4249895), (65, 3073001), (151, 1322815), (235, 849979), (433, 461305), (611, 326915), (755, 264563), (1963, 101755), (2165, 92261), (3055, 65383), (5629, 35485), (7097, 28145), (9815, 20351)]