6439916

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 12988416

約数和(自身を除く): 6548500

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 1811, 3556, 3622, 7244, 12677, 25354, 50708, 229997, 459994, 919988, 1609979, 3219958, 6439916]

約数ペア:

[(1, 6439916), (2, 3219958), (4, 1609979), (7, 919988), (14, 459994), (28, 229997), (127, 50708), (254, 25354), (508, 12677), (889, 7244), (1778, 3622), (1811, 3556)]