9899965439

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20369}}^1$

素因数の和:20512

約数の個数: 32

約数和(自身を含む): 12547920000

約数和(自身を除く): 2647954561

約数列:

[1, 7, 13, 49, 91, 109, 343, 637, 763, 1417, 4459, 5341, 9919, 20369, 37387, 69433, 142583, 264797, 486031, 998081, 1853579, 2220221, 6986567, 12975053, 15541547, 28862873, 90825371, 108790829, 202040111, 761535803, 1414280777, 9899965439]

約数ペア:

[(1, 9899965439), (7, 1414280777), (13, 761535803), (49, 202040111), (91, 108790829), (109, 90825371), (343, 28862873), (637, 15541547), (763, 12975053), (1417, 6986567), (4459, 2220221), (5341, 1853579), (9919, 998081), (20369, 486031), (37387, 264797), (69433, 142583)]