28642394

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1762

約数の個数: 24

約数和(自身を含む): 47918304

約数和(自身を除く): 19275910

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1562, 1667, 3334, 8591, 17182, 18337, 36674, 118357, 201707, 236714, 403414, 1301927, 2603854, 14321197, 28642394]

約数ペア:

[(1, 28642394), (2, 14321197), (11, 2603854), (22, 1301927), (71, 403414), (121, 236714), (142, 201707), (242, 118357), (781, 36674), (1562, 18337), (1667, 17182), (3334, 8591)]