4128005

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 1919995

約数列:

[1, 5, 7, 29, 35, 49, 83, 145, 203, 245, 343, 415, 581, 1015, 1421, 1715, 2407, 2905, 4067, 7105, 9947, 12035, 16849, 20335, 28469, 49735, 84245, 117943, 142345, 589715, 825601, 4128005]

約数ペア:

[(1, 4128005), (5, 825601), (7, 589715), (29, 142345), (35, 117943), (49, 84245), (83, 49735), (145, 28469), (203, 20335), (245, 16849), (343, 12035), (415, 9947), (581, 7105), (1015, 4067), (1421, 2905), (1715, 2407)]