81052958

素因数分解:

$2^1\times 7^4\times {\mathrm{16879}}^1$

素因数の和:16909

約数の個数: 20

約数和(自身を含む): 141842640

約数和(自身を除く): 60789682

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 16879, 33758, 118153, 236306, 827071, 1654142, 5789497, 11578994, 40526479, 81052958]

約数ペア:

[(1, 81052958), (2, 40526479), (7, 11578994), (14, 5789497), (49, 1654142), (98, 827071), (343, 236306), (686, 118153), (2401, 33758), (4802, 16879)]